diff --git a/src/blenderbim/blenderbim/bim/module/model/pie.py b/src/blenderbim/blenderbim/bim/module/model/pie.py
index 94be5224e4..d2f2f2f296 100644
--- a/src/blenderbim/blenderbim/bim/module/model/pie.py
+++ b/src/blenderbim/blenderbim/bim/module/model/pie.py
@@ -1,5 +1,5 @@
 import bpy
-
+from blenderbim.bim.ifc import IfcStore
 
 class OpenPieClass(bpy.types.Operator):
     bl_idname = "bim.open_pie_class"