diff --git a/src/Mod/Surface/App/FeatureBSurf.cpp b/src/Mod/Surface/App/FeatureBSurf.cpp
index 56b631ae3a..6227bd44c7 100644
--- a/src/Mod/Surface/App/FeatureBSurf.cpp
+++ b/src/Mod/Surface/App/FeatureBSurf.cpp
@@ -124,7 +124,7 @@ void BSurf::getWire(TopoDS_Wire& aWire)
     if(aWire.IsNull()){Standard_Failure::Raise("Wire unable to be constructed");return;}
 }
 
-void BSurf::createFace(Handle_Geom_BoundedSurface aSurface)
+void BSurf::createFace(const Handle_Geom_BoundedSurface &aSurface)
 {
     BRepBuilderAPI_MakeFace aFaceBuilder;
     Standard_Real u1, u2, v1, v2;
diff --git a/src/Mod/Surface/App/FeatureBSurf.h b/src/Mod/Surface/App/FeatureBSurf.h
index 6c55d6cb57..a602e768a1 100644
--- a/src/Mod/Surface/App/FeatureBSurf.h
+++ b/src/Mod/Surface/App/FeatureBSurf.h
@@ -55,7 +55,7 @@ public:
 protected:
     GeomFill_FillingStyle getFillingStyle();
     void getWire(TopoDS_Wire& aWire);
-    void createFace(const Handle_Geom_BoundedSurface aSurface);
+    void createFace(const Handle_Geom_BoundedSurface &aSurface);
 };
 
 }