diff --git a/src/Common/IsMeshMaterialEntity.ts b/src/Common/IsMeshMaterialEntity.ts
index facc2d0d7..350100e45 100644
--- a/src/Common/IsMeshMaterialEntity.ts
+++ b/src/Common/IsMeshMaterialEntity.ts
@@ -1,3 +1,4 @@
+import { ExtrudeHole } from "../DatabaseServices/3DSolid/ExtrudeHole";
 import { RevolveSolid } from "../DatabaseServices/3DSolid/RevolveSolid";
 import { SweepSolid } from "../DatabaseServices/3DSolid/SweepSolid";
 import { Board } from "../DatabaseServices/Entity/Board";
@@ -15,6 +16,7 @@ import { RoomWallBase } from "../DatabaseServices/Room/Entity/Wall/RoomWallBase"
 export function IsMeshMaterialEntity(en: Entity): boolean
 {
     return (en instanceof Board
+        || en instanceof ExtrudeHole
         || en instanceof Region
         || en instanceof EntityRef
         || en instanceof EntityFbx