diff --git a/src/Mod/Part/Gui/ViewProviderExt.cpp b/src/Mod/Part/Gui/ViewProviderExt.cpp
index 1ee28cbc6..7a4ce14bc 100644
--- a/src/Mod/Part/Gui/ViewProviderExt.cpp
+++ b/src/Mod/Part/Gui/ViewProviderExt.cpp
@@ -765,6 +765,7 @@ void ViewProviderPartExt::updateVisual(const TopoDS_Shape& inputShape)
 
         // create or use the mesh on the data structure
 #if OCC_VERSION_HEX >= 0x060600
+        Standard_Real AngDeflectionRads = AngularDeflection.getValue() / 180.0 * M_PI;
         BRepMesh_IncrementalMesh(cShape,deflection,Standard_False,
                 AngDeflectionRads,Standard_True);
 #else
diff --git a/src/Mod/PartDesign/Gui/ViewProviderTransformed.cpp b/src/Mod/PartDesign/Gui/ViewProviderTransformed.cpp
index f3e7b5623..bd636721c 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderTransformed.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderTransformed.cpp
@@ -28,6 +28,7 @@
 # include <BRep_Tool.hxx>
 # include <BRepBndLib.hxx>
 # include <BRepMesh_IncrementalMesh.hxx>
+# include <Standard_Version.hxx>
 # include <TopExp_Explorer.hxx>
 # include <TopoDS.hxx>
 # include <Poly_Triangulation.hxx>
@@ -253,6 +254,7 @@ void ViewProviderTransformed::recomputeFeature(void)
 
             // create or use the mesh on the data structure
 #if OCC_VERSION_HEX >= 0x060600
+            Standard_Real AngDeflectionRads = AngularDeflection.getValue() / 180.0 * M_PI;
             BRepMesh_IncrementalMesh(cShape,deflection,Standard_False,
                                         AngDeflectionRads,Standard_True);
 #else