diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.cs b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.cs
new file mode 100644
index 0000000..82dfd29
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.cs
@@ -0,0 +1,242 @@
+using System.Numerics;
+
+namespace DotTiled.Tests;
+
+public partial class TestData
+{
+  public static Map MapOverrideObjectBug(string fileExt) => new Map
+  {
+    Class = "",
+    Orientation = MapOrientation.Orthogonal,
+    Width = 5,
+    Height = 5,
+    TileWidth = 32,
+    TileHeight = 32,
+    Infinite = false,
+    ParallaxOriginX = 0,
+    ParallaxOriginY = 0,
+    RenderOrder = RenderOrder.RightDown,
+    CompressionLevel = -1,
+    BackgroundColor = new Color { R = 0, G = 0, B = 0, A = 0 },
+    Version = "1.10",
+    TiledVersion = "1.11.0",
+    NextLayerID = 8,
+    NextObjectID = 8,
+    Tilesets = [
+      new Tileset
+      {
+        Version = "1.10",
+        TiledVersion = "1.11.0",
+        FirstGID = 1,
+        Name = "tileset",
+        TileWidth = 32,
+        TileHeight = 32,
+        TileCount = 24,
+        Columns = 8,
+        Source = $"tileset.{(fileExt == "tmx" ? "tsx" : "tsj")}",
+        Image = new Image
+        {
+          Format = ImageFormat.Png,
+          Source = "tileset.png",
+          Width = 256,
+          Height = 96,
+        }
+      }
+    ],
+    Layers = [
+      new Group
+      {
+        ID = 2,
+        Name = "Root",
+        Layers = [
+          new ObjectLayer
+          {
+            ID = 3,
+            Name = "Objects",
+            Objects = [
+              new RectangleObject
+              {
+                ID = 1,
+                Name = "Object 1",
+                X = 25.6667f,
+                Y = 28.6667f,
+                Width = 31.3333f,
+                Height = 31.3333f
+              },
+              new PointObject
+              {
+                ID = 3,
+                Name = "P1",
+                X = 117.667f,
+                Y = 48.6667f
+              },
+              new EllipseObject
+              {
+                ID = 4,
+                Name = "Circle1",
+                X = 77f,
+                Y = 72.3333f,
+                Width = 34.6667f,
+                Height = 34.6667f
+              },
+              new PolygonObject
+              {
+                ID = 5,
+                Name = "Poly",
+                X = 20.6667f,
+                Y = 114.667f,
+                Points = [
+                  new Vector2(0, 0),
+                  new Vector2(104,20),
+                  new Vector2(35.6667f, 32.3333f)
+                ],
+                Template = fileExt == "tmx" ? "poly.tx" : "poly.tj",
+                Properties = [
+                  new StringProperty { Name = "templateprop", Value = "helo there" }
+                ]
+              },
+              new TileObject
+              {
+                ID = 6,
+                Name = "TileObj",
+                GID = 7,
+                X = -35,
+                Y = 110.333f,
+                Width = 64,
+                Height = 146
+              },
+              new RectangleObject
+              {
+                ID = 7,
+                Name = "",
+                Template = fileExt == "tmx" ? "random.tx" : "random.tj",
+                Type = "randomclass",
+                X = 134.552f,
+                Y = 113.638f
+              }
+            ]
+          },
+          new Group
+          {
+            ID = 5,
+            Name = "Sub",
+            Layers = [
+              new TileLayer
+              {
+                ID = 7,
+                Name = "Tile 3",
+                Width = 5,
+                Height = 5,
+                Data = new Data
+                {
+                  Encoding = DataEncoding.Csv,
+                  GlobalTileIDs = new Optional<uint[]>([
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0
+                  ]),
+                  FlippingFlags = new Optional<FlippingFlags[]>([
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None
+                  ])
+                }
+              },
+              new TileLayer
+              {
+                ID = 6,
+                Name = "Tile 2",
+                Width = 5,
+                Height = 5,
+                Data = new Data
+                {
+                  Encoding = DataEncoding.Csv,
+                  GlobalTileIDs = new Optional<uint[]>([
+                    0, 15, 15, 0, 0,
+                    0, 15, 15, 0, 0,
+                    0, 15, 15, 15, 0,
+                    15, 15, 15, 0, 0,
+                    0, 0, 0, 0, 0
+                  ]),
+                  FlippingFlags = new Optional<FlippingFlags[]>([
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                    FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None
+                  ])
+                }
+              }
+            ]
+          },
+          new ImageLayer
+          {
+            ID = 4,
+            Name = "ImageLayer",
+            Image = new Image
+            {
+              Format = ImageFormat.Png,
+              Source = "tileset.png",
+              Width = fileExt == "tmx" ? 256u : 0, // Currently, json format does not
+              Height = fileExt == "tmx" ? 96u : 0  // include image dimensions in image layer https://github.com/mapeditor/tiled/issues/4028
+            },
+            RepeatX = true
+          },
+          new TileLayer
+          {
+            ID = 1,
+            Name = "Tile Layer 1",
+            Width = 5,
+            Height = 5,
+            Data = new Data
+            {
+              Encoding = DataEncoding.Csv,
+              GlobalTileIDs = new Optional<uint[]>([
+                1, 1, 1, 1, 1,
+                0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0
+              ]),
+              FlippingFlags = new Optional<FlippingFlags[]>([
+                FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None,
+                FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None, FlippingFlags.None
+              ])
+            }
+          }
+        ]
+      }
+    ]
+  };
+
+  public static IReadOnlyCollection<ICustomTypeDefinition> MapOverrideObjectBugCustomTypeDefinitions() => [
+    new CustomClassDefinition
+    {
+      Name = "TestClass",
+      UseAs = CustomClassUseAs.Map,
+      Members = [
+        new BoolProperty
+        {
+          Name = "classbool",
+          Value = true
+        },
+        new StringProperty
+        {
+          Name = "classstring",
+          Value = "Hello there default value"
+        }
+      ]
+    },
+    new CustomClassDefinition
+    {
+      Name = "randomclass"
+    }
+  ];
+}
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmj b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmj
new file mode 100644
index 0000000..ba67083
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmj
@@ -0,0 +1,171 @@
+{ "compressionlevel":-1,
+ "height":5,
+ "infinite":false,
+ "layers":[
+        {
+         "id":2,
+         "layers":[
+                {
+                 "draworder":"topdown",
+                 "id":3,
+                 "name":"Objects",
+                 "objects":[
+                        {
+                         "height":31.3333,
+                         "id":1,
+                         "name":"Object 1",
+                         "rotation":0,
+                         "type":"",
+                         "visible":true,
+                         "width":31.3333,
+                         "x":25.6667,
+                         "y":28.6667
+                        }, 
+                        {
+                         "height":0,
+                         "id":3,
+                         "name":"P1",
+                         "point":true,
+                         "rotation":0,
+                         "type":"",
+                         "visible":true,
+                         "width":0,
+                         "x":117.667,
+                         "y":48.6667
+                        }, 
+                        {
+                         "ellipse":true,
+                         "height":34.6667,
+                         "id":4,
+                         "name":"Circle1",
+                         "rotation":0,
+                         "type":"",
+                         "visible":true,
+                         "width":34.6667,
+                         "x":77,
+                         "y":72.3333
+                        }, 
+                        {
+                         "id":5,
+                         "template":"poly.tj",
+                         "x":20.6667,
+                         "y":114.667
+                        }, 
+                        {
+                         "gid":7,
+                         "height":146,
+                         "id":6,
+                         "name":"TileObj",
+                         "rotation":0,
+                         "type":"",
+                         "visible":true,
+                         "width":64,
+                         "x":-35,
+                         "y":110.333
+                        },
+                    
+                        {
+                         "id":7,
+                         "template":"random.tj",
+                         "type":"randomclass",
+                         "x":134.551764025448,
+                         "y":113.637941006362
+                        }],
+                 "opacity":1,
+                 "type":"objectgroup",
+                 "visible":true,
+                 "x":0,
+                 "y":0
+                }, 
+                {
+                 "id":5,
+                 "layers":[
+                        {
+                         "data":[0, 0, 0, 0, 0,
+                            0, 0, 0, 0, 0,
+                            0, 0, 0, 0, 0,
+                            0, 0, 0, 0, 0,
+                            0, 0, 0, 0, 0],
+                         "height":5,
+                         "id":7,
+                         "name":"Tile 3",
+                         "opacity":1,
+                         "type":"tilelayer",
+                         "visible":true,
+                         "width":5,
+                         "x":0,
+                         "y":0
+                        }, 
+                        {
+                         "data":[0, 15, 15, 0, 0,
+                            0, 15, 15, 0, 0,
+                            0, 15, 15, 15, 0,
+                            15, 15, 15, 0, 0,
+                            0, 0, 0, 0, 0],
+                         "height":5,
+                         "id":6,
+                         "name":"Tile 2",
+                         "opacity":1,
+                         "type":"tilelayer",
+                         "visible":true,
+                         "width":5,
+                         "x":0,
+                         "y":0
+                        }],
+                 "name":"Sub",
+                 "opacity":1,
+                 "type":"group",
+                 "visible":true,
+                 "x":0,
+                 "y":0
+                }, 
+                {
+                 "id":4,
+                 "image":"tileset.png",
+                 "name":"ImageLayer",
+                 "opacity":1,
+                 "repeatx":true,
+                 "type":"imagelayer",
+                 "visible":true,
+                 "x":0,
+                 "y":0
+                }, 
+                {
+                 "data":[1, 1, 1, 1, 1,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0],
+                 "height":5,
+                 "id":1,
+                 "name":"Tile Layer 1",
+                 "opacity":1,
+                 "type":"tilelayer",
+                 "visible":true,
+                 "width":5,
+                 "x":0,
+                 "y":0
+                }],
+         "name":"Root",
+         "opacity":1,
+         "type":"group",
+         "visible":true,
+         "x":0,
+         "y":0
+        }],
+ "nextlayerid":8,
+ "nextobjectid":8,
+ "orientation":"orthogonal",
+ "renderorder":"right-down",
+ "tiledversion":"1.11.0",
+ "tileheight":32,
+ "tilesets":[
+        {
+         "firstgid":1,
+         "source":"tileset.tsj"
+        }],
+ "tilewidth":32,
+ "type":"map",
+ "version":"1.10",
+ "width":5
+}
\ No newline at end of file
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmx b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmx
new file mode 100644
index 0000000..08f2657
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/map-override-object-bug.tmx
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<map version="1.10" tiledversion="1.11.0" orientation="orthogonal" renderorder="right-down" width="5" height="5" tilewidth="32" tileheight="32" infinite="0" nextlayerid="8" nextobjectid="8">
+ <tileset firstgid="1" source="tileset.tsx"/>
+ <group id="2" name="Root">
+  <objectgroup id="3" name="Objects">
+   <object id="1" name="Object 1" x="25.6667" y="28.6667" width="31.3333" height="31.3333"/>
+   <object id="3" name="P1" x="117.667" y="48.6667">
+    <point/>
+   </object>
+   <object id="4" name="Circle1" x="77" y="72.3333" width="34.6667" height="34.6667">
+    <ellipse/>
+   </object>
+   <object id="5" template="poly.tx" x="20.6667" y="114.667"/>
+   <object id="6" name="TileObj" gid="7" x="-35" y="110.333" width="64" height="146"/>
+   <object id="7" template="random.tx" type="randomclass" x="134.552" y="113.638"/>
+  </objectgroup>
+  <group id="5" name="Sub">
+   <layer id="7" name="Tile 3" width="5" height="5">
+    <data encoding="csv">
+0,0,0,0,0,
+0,0,0,0,0,
+0,0,0,0,0,
+0,0,0,0,0,
+0,0,0,0,0
+</data>
+   </layer>
+   <layer id="6" name="Tile 2" width="5" height="5">
+    <data encoding="csv">
+0,15,15,0,0,
+0,15,15,0,0,
+0,15,15,15,0,
+15,15,15,0,0,
+0,0,0,0,0
+</data>
+   </layer>
+  </group>
+  <imagelayer id="4" name="ImageLayer" repeatx="1">
+   <image source="tileset.png" width="256" height="96"/>
+  </imagelayer>
+  <layer id="1" name="Tile Layer 1" width="5" height="5">
+   <data encoding="csv">
+1,1,1,1,1,
+0,0,0,0,0,
+0,0,0,0,0,
+0,0,0,0,0,
+0,0,0,0,0
+</data>
+  </layer>
+ </group>
+</map>
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tj b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tj
new file mode 100644
index 0000000..f23c7d9
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tj
@@ -0,0 +1,31 @@
+{ "object":
+    {
+     "height":0,
+     "id":5,
+     "name":"Poly",
+     "polygon":[
+            {
+             "x":0,
+             "y":0
+            }, 
+            {
+             "x":104,
+             "y":20
+            }, 
+            {
+             "x":35.6667,
+             "y":32.3333
+            }],
+     "properties":[
+            {
+             "name":"templateprop",
+             "type":"string",
+             "value":"helo there"
+            }],
+     "rotation":0,
+     "type":"",
+     "visible":true,
+     "width":0
+    },
+ "type":"template"
+}
\ No newline at end of file
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tx b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tx
new file mode 100644
index 0000000..a0a2457
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/poly.tx
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<template>
+ <object name="Poly">
+  <properties>
+   <property name="templateprop" value="helo there"/>
+  </properties>
+  <polygon points="0,0 104,20 35.6667,32.3333"/>
+ </object>
+</template>
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tj b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tj
new file mode 100644
index 0000000..09b8393
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tj
@@ -0,0 +1,12 @@
+{ "object":
+    {
+     "height":0,
+     "id":7,
+     "name":"",
+     "rotation":0,
+     "type":"randomclass",
+     "visible":true,
+     "width":0
+    },
+ "type":"template"
+}
\ No newline at end of file
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tx b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tx
new file mode 100644
index 0000000..d6b44ee
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/random.tx
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<template>
+ <object type="randomclass"/>
+</template>
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.png b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.png
new file mode 100644
index 0000000..97c1fb3
Binary files /dev/null and b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.png differ
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsj b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsj
new file mode 100644
index 0000000..820e88f
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsj
@@ -0,0 +1,14 @@
+{ "columns":8,
+ "image":"tileset.png",
+ "imageheight":96,
+ "imagewidth":256,
+ "margin":0,
+ "name":"tileset",
+ "spacing":0,
+ "tilecount":24,
+ "tiledversion":"1.11.0",
+ "tileheight":32,
+ "tilewidth":32,
+ "type":"tileset",
+ "version":"1.10"
+}
\ No newline at end of file
diff --git a/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsx b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsx
new file mode 100644
index 0000000..d730182
--- /dev/null
+++ b/src/DotTiled.Tests/TestData/Maps/map-override-object-bug/tileset.tsx
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<tileset version="1.10" tiledversion="1.11.0" name="tileset" tilewidth="32" tileheight="32" tilecount="24" columns="8">
+ <image source="tileset.png" width="256" height="96"/>
+</tileset>
diff --git a/src/DotTiled.Tests/UnitTests/Serialization/TestData.cs b/src/DotTiled.Tests/UnitTests/Serialization/TestData.cs
index b59622e..28358b3 100644
--- a/src/DotTiled.Tests/UnitTests/Serialization/TestData.cs
+++ b/src/DotTiled.Tests/UnitTests/Serialization/TestData.cs
@@ -46,5 +46,6 @@ public static partial class TestData
     [GetMapPath("map-with-deep-props"), (string f) => MapWithDeepProps(), MapWithDeepPropsCustomTypeDefinitions()],
     [GetMapPath("map-with-class"), (string f) => MapWithClass(), MapWithClassCustomTypeDefinitions()],
     [GetMapPath("map-with-class-and-props"), (string f) => MapWithClassAndProps(), MapWithClassAndPropsCustomTypeDefinitions()],
+    [GetMapPath("map-override-object-bug"), (string f) => MapOverrideObjectBug(f), MapOverrideObjectBugCustomTypeDefinitions()],
   ];
 }
diff --git a/src/DotTiled/Serialization/Tmx/TmxReaderBase.ObjectLayer.cs b/src/DotTiled/Serialization/Tmx/TmxReaderBase.ObjectLayer.cs
index 7553d21..b2e0c56 100644
--- a/src/DotTiled/Serialization/Tmx/TmxReaderBase.ObjectLayer.cs
+++ b/src/DotTiled/Serialization/Tmx/TmxReaderBase.ObjectLayer.cs
@@ -148,19 +148,20 @@ public abstract partial class TmxReaderBase
     if (obj is null)
       return foundObject;
 
+    obj.ID = foundObject.ID;
+    obj.Name = foundObject.Name;
+    obj.Type = foundObject.Type;
+    obj.X = foundObject.X;
+    obj.Y = foundObject.Y;
+    obj.Width = foundObject.Width;
+    obj.Height = foundObject.Height;
+    obj.Rotation = foundObject.Rotation;
+    obj.Visible = foundObject.Visible;
+    obj.Properties = Helpers.MergeProperties(obj.Properties, foundObject.Properties).ToList();
+    obj.Template = foundObject.Template;
+
     if (obj.GetType() != foundObject.GetType())
     {
-      obj.ID = foundObject.ID;
-      obj.Name = foundObject.Name;
-      obj.Type = foundObject.Type;
-      obj.X = foundObject.X;
-      obj.Y = foundObject.Y;
-      obj.Width = foundObject.Width;
-      obj.Height = foundObject.Height;
-      obj.Rotation = foundObject.Rotation;
-      obj.Visible = foundObject.Visible;
-      obj.Properties = Helpers.MergeProperties(obj.Properties, foundObject.Properties).ToList();
-      obj.Template = foundObject.Template;
       return obj;
     }
 
@@ -231,6 +232,13 @@ public abstract partial class TmxReaderBase
     return obj;
   }
 
+  internal static RectangleObject OverrideObject(RectangleObject obj, RectangleObject foundObject)
+  {
+    obj.Width = foundObject.Width;
+    obj.Height = foundObject.Height;
+    return obj;
+  }
+
   internal TextObject ReadTextObject()
   {
     // Attributes