diff --git a/src/Mod/Arch/ArchComponent.py b/src/Mod/Arch/ArchComponent.py
index 5a9329fa2b..2fec7cb11f 100644
--- a/src/Mod/Arch/ArchComponent.py
+++ b/src/Mod/Arch/ArchComponent.py
@@ -1205,7 +1205,7 @@ class ViewProviderComponent:
                 if hasattr(obj,"Material"):
                     if obj.Material:
                         mat = obj.Material
-                if not mat:
+                if (not mat) and hasattr(obj.CloneOf.ViewObject,"DiffuseColor"):
                     if obj.ViewObject.DiffuseColor != obj.CloneOf.ViewObject.DiffuseColor:
                         if len(obj.CloneOf.ViewObject.DiffuseColor) > 1:
                             obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor
@@ -1259,7 +1259,7 @@ class ViewProviderComponent:
             # this would now hide all previous windows... Not the desired behaviour anymore.
         if prop == "DiffuseColor":
             if hasattr(vobj.Object,"CloneOf"):
-                if vobj.Object.CloneOf:
+                if vobj.Object.CloneOf and hasattr(vobj.Object.CloneOf,"DiffuseColor"):
                     if len(vobj.Object.CloneOf.ViewObject.DiffuseColor) > 1:
                         if vobj.DiffuseColor != vobj.Object.CloneOf.ViewObject.DiffuseColor:
                             vobj.DiffuseColor = vobj.Object.CloneOf.ViewObject.DiffuseColor