diff --git a/scene/resources/2d/tile_set.h b/scene/resources/2d/tile_set.h
index 8856c92b71..47257cf6b3 100644
--- a/scene/resources/2d/tile_set.h
+++ b/scene/resources/2d/tile_set.h
@@ -53,6 +53,7 @@
 #include "scene/resources/shader.h"
 #endif
 
+class ArrayMesh;
 class TileMap;
 class TileSetSource;
 class TileSetAtlasSource;