diff --git a/src/Mod/PartDesign/App/FeatureExtrude.cpp b/src/Mod/PartDesign/App/FeatureExtrude.cpp
index 430eafb6ef..d7032a1a40 100644
--- a/src/Mod/PartDesign/App/FeatureExtrude.cpp
+++ b/src/Mod/PartDesign/App/FeatureExtrude.cpp
@@ -154,7 +154,7 @@ void FeatureExtrude::onChanged(const App::Property* prop)
     ProfileBased::onChanged(prop);
 }
 
-TopoShape FeatureExtrude::makeShellFromUpToShape(TopoShape shape, TopoShape sketchshape, gp_Dir dir)
+TopoShape FeatureExtrude::makeShellFromUpToShape(TopoShape shape, TopoShape sketchshape, gp_Dir& dir)
 {
 
     // Find nearest/furthest face
diff --git a/src/Mod/PartDesign/App/FeatureExtrude.h b/src/Mod/PartDesign/App/FeatureExtrude.h
index 70cdd827fa..80006422ec 100644
--- a/src/Mod/PartDesign/App/FeatureExtrude.h
+++ b/src/Mod/PartDesign/App/FeatureExtrude.h
@@ -99,7 +99,7 @@ protected:
      * by removing the farthest face from the sketchshape in the direction
      * if farthest is nearest (circular) then return the initial shape
      */
-    TopoShape makeShellFromUpToShape(TopoShape shape, TopoShape sketchshape, gp_Dir dir);
+    TopoShape makeShellFromUpToShape(TopoShape shape, TopoShape sketchshape, gp_Dir& dir);
 
     /**
      * Disables settings that are not valid for the current method