diff --git a/ur_moveit_config/launch/ur_moveit.launch.py b/ur_moveit_config/launch/ur_moveit.launch.py
index 07a46ed60..b03d36202 100644
--- a/ur_moveit_config/launch/ur_moveit.launch.py
+++ b/ur_moveit_config/launch/ur_moveit.launch.py
@@ -114,7 +114,7 @@ def launch_setup(context, *args, **kwargs):
             " ",
             "output_recipe_filename:=rtde_output_recipe.txt",
             " ",
-            "prefix:=",
+            "tf_prefix:=",
             prefix,
             " ",
         ]