diff --git a/src/blenderbim/blenderbim/bim/ifc.py b/src/blenderbim/blenderbim/bim/ifc.py
index 4af2d0453f..97d2f301b3 100644
--- a/src/blenderbim/blenderbim/bim/ifc.py
+++ b/src/blenderbim/blenderbim/bim/ifc.py
@@ -193,7 +193,7 @@ class IfcStore:
         # Please use tool.Ifc.link() instead of this method. We want to
         # refactor this class and deprecate usage of IfcStore in favour of
         # tools.
-        if isinstance(obj, bpy.types.Mesh):
+        if not isinstance(obj, (bpy.types.Object, bpy.types.Material)):
             obj.BIMMeshProperties.ifc_definition_id = element.id()
             return