diff --git a/src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py b/src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py
index 867c301497..e6d4f78762 100644
--- a/src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py
+++ b/src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py
@@ -112,7 +112,7 @@ class _ViewProviderFemResultMechanical:
             for obj in self.claimChildren():
                 obj.ViewObject.show()
         except Exception as err:
-            FreeCAD.Console.PrintError("Error in onDelete: " + err.message)
+            FreeCAD.Console.PrintError("Error in onDelete: {0} \n".format(err))
         return True