diff --git a/src/ifcblenderexport/blenderbim/bim/cut_ifc.py b/src/ifcblenderexport/blenderbim/bim/cut_ifc.py
index 8f47213c19..bc1439fa66 100644
--- a/src/ifcblenderexport/blenderbim/bim/cut_ifc.py
+++ b/src/ifcblenderexport/blenderbim/bim/cut_ifc.py
@@ -24,6 +24,7 @@ try:
         ShapeAnalysis,
         TopTools,
         TopExp,
+        TopAbs,
         HLRAlgo,
         HLRBRep,
         TopLoc,
@@ -54,6 +55,7 @@ except ImportError:
         ShapeAnalysis,
         TopTools,
         TopExp,
+        TopAbs,
         HLRAlgo,
         HLRBRep,
         TopLoc,