diff --git a/assets/js/main.js b/assets/js/main.js
index 13b53d0..a0a9da7 100755
--- a/assets/js/main.js
+++ b/assets/js/main.js
@@ -218,7 +218,7 @@ window.addEventListener('load', function() {
             sumorobot.close();
         }
         // Connect to the selected robots WebSocket
-        sumorobot = new Sumorobot(`ws://${ROBOT_SERVER}/p2p/browser/sumo-${robotId}`, robotId);
+        sumorobot = new Sumorobot(`ws://${ROBOT_SERVER}/p2p/browser/sumo-${robotId}/`, robotId);
         // Hide the configuration panel
         $('#panel').hide();
     });