diff --git a/freecad/cross/robot_proxy.py b/freecad/cross/robot_proxy.py
index 5ee33ad..bef03f0 100644
--- a/freecad/cross/robot_proxy.py
+++ b/freecad/cross/robot_proxy.py
@@ -726,7 +726,7 @@ def export_urdf(self, interactive: bool = False) -> Optional[et.Element]:
                          package_parent,
                          package_name=package_name,
                          urdf_file=urdf_file,
-                         fixed_frame=root_link.Name,
+                         fixed_frame=root_link.Label2,
                          )
         return xml