diff --git a/src/blenderbim/blenderbim/bim/module/model/workspace.py b/src/blenderbim/blenderbim/bim/module/model/workspace.py
index 2b24a199f9..1827b832e8 100644
--- a/src/blenderbim/blenderbim/bim/module/model/workspace.py
+++ b/src/blenderbim/blenderbim/bim/module/model/workspace.py
@@ -379,12 +379,13 @@ class BimToolUI:
     def draw_basic_bim_tool_interface(cls):
         cls.draw_type_selection_interface()
 
-        box = cls.layout.box()
-        if AuthoringData.data["type_thumbnail"]:
-            box.template_icon(icon_value=AuthoringData.data["type_thumbnail"], scale=5)
-        else:
-            op = box.operator("bim.load_type_thumbnails", text="Load Thumbnails", icon="FILE_REFRESH")
-            op.ifc_class = cls.props.ifc_class
+        if cls.props.ifc_class:
+            box = cls.layout.box()
+            if AuthoringData.data["type_thumbnail"]:
+                box.template_icon(icon_value=AuthoringData.data["type_thumbnail"], scale=5)
+            else:
+                op = box.operator("bim.load_type_thumbnails", text="Load Thumbnails", icon="FILE_REFRESH")
+                op.ifc_class = cls.props.ifc_class
 
         if AuthoringData.data["ifc_classes"]:
             row = cls.layout.row(align=True)