diff --git a/src/Mod/Draft/Draft.py b/src/Mod/Draft/Draft.py
index 35279d98a2..c4887a1ec2 100644
--- a/src/Mod/Draft/Draft.py
+++ b/src/Mod/Draft/Draft.py
@@ -110,7 +110,7 @@ def getParamType(param):
                    "renderPolylineWidth","showPlaneTracker","UsePartPrimitives","DiscretizeEllipses",
                    "showUnit"]:
         return "bool"
-    elif param in ["color","constructioncolor","snapcolor"]:
+    elif param in ["color","constructioncolor","snapcolor","gridColor"]:
         return "unsigned"
     else:
         return None