diff --git a/src/Mod/Draft/WorkingPlane.py b/src/Mod/Draft/WorkingPlane.py
index fa209a0059..b155d74c13 100644
--- a/src/Mod/Draft/WorkingPlane.py
+++ b/src/Mod/Draft/WorkingPlane.py
@@ -652,7 +652,7 @@ class Plane:
             if not geom_is_shape:
                 FreeCAD.Console.PrintError(translate(
                     "draft",
-                    "Object without Part.Shape geometry:'{}".format(
+                    "Object without Part.Shape geometry:'{}'".format(
                         obj.ObjectName)) + "\n")
                 return False
             if geom.isNull():