diff --git a/config/twist_mux.yaml b/config/twist_mux.yaml
index a345961..2b5b4e7 100644
--- a/config/twist_mux.yaml
+++ b/config/twist_mux.yaml
@@ -2,14 +2,14 @@ twist_mux:
   ros__parameters:
     topics:
       navigation:
-        topic   : rmp/cmd_vel
+        topic   : /rmp/cmd_vel
         timeout : 0.5
         priority: 10
       tracker:
-        topic   : rmp/cmd_vel_tracker
+        topic   : /rmp/cmd_vel_tracker
         timeout : 0.5
         priority: 20
       joystick:
-        topic   : rmp/cmd_vel_joy
+        topic   : /rmp/cmd_vel_joy
         timeout : 0.5
         priority: 100
\ No newline at end of file