diff --git a/src/blenderbim/blenderbim/bim/module/resource/operator.py b/src/blenderbim/blenderbim/bim/module/resource/operator.py
index fbdd4374f7..068212f68c 100644
--- a/src/blenderbim/blenderbim/bim/module/resource/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/resource/operator.py
@@ -437,4 +437,4 @@ class CalculateResourceUsage(bpy.types.Operator, tool.Ifc.Operator):
         return False
 
     def _execute(self, context):
-        core.calculate_resource_usage(tool.Ifc, tool.Resource, resource=tool.Ifc.get().by_id(tool.Resource.get_highlighted_resource()))
+        core.calculate_resource_usage(tool.Ifc, tool.Resource, resource=tool.Resource.get_highlighted_resource())