diff --git a/src/Autoload/DrawingAlgos.gd b/src/Autoload/DrawingAlgos.gd
index 55deeaa1a..8f1fdcc3d 100644
--- a/src/Autoload/DrawingAlgos.gd
+++ b/src/Autoload/DrawingAlgos.gd
@@ -723,7 +723,14 @@ func resize_canvas(width: int, height: int, offset_x: int, offset_y: int) -> voi
 		)
 		resized.convert_rgb_to_indexed()
 		if cel is CelTileMap:
-			(cel as CelTileMap).serialize_undo_data_source_image(resized, redo_data, undo_data)
+			var tilemap_cel := cel as CelTileMap
+			var skip_tileset := (
+				offset_x % tilemap_cel.tileset.tile_size.x == 0
+				and offset_y % tilemap_cel.tileset.tile_size.y == 0
+			)
+			tilemap_cel.serialize_undo_data_source_image(
+				resized, redo_data, undo_data, skip_tileset
+			)
 		resized.add_data_to_dictionary(redo_data, cel_image)
 		cel_image.add_data_to_dictionary(undo_data)
 
diff --git a/src/Classes/Cels/CelTileMap.gd b/src/Classes/Cels/CelTileMap.gd
index ecf5a7f68..fe8fa6916 100644
--- a/src/Classes/Cels/CelTileMap.gd
+++ b/src/Classes/Cels/CelTileMap.gd
@@ -305,13 +305,17 @@ func serialize_undo_data() -> Dictionary:
 ## ([param source_image]) we want to store to the undo/redo stack
 ## is not the same as [member image]. This method also handles the resizing logic for undo/redo.
 func serialize_undo_data_source_image(
-	source_image: ImageExtended, redo_data: Dictionary, undo_data: Dictionary
+	source_image: ImageExtended,
+	redo_data: Dictionary,
+	undo_data: Dictionary,
+	skip_tileset_resize := false
 ) -> void:
 	undo_data[self] = serialize_undo_data()
 	if source_image.get_size() != image.get_size():
 		undo_data[self]["resize"] = true
 		_resize_cells(source_image.get_size())
-		tileset.handle_project_resize(self)
+		if not skip_tileset_resize:
+			tileset.handle_project_resize(self)
 	var tile_editing_mode := TileSetPanel.tile_editing_mode
 	if tile_editing_mode == TileSetPanel.TileEditingMode.MANUAL:
 		tile_editing_mode = TileSetPanel.TileEditingMode.AUTO