diff --git a/src/langbot/templates/config.yaml b/src/langbot/templates/config.yaml
index 37a61bc8..5b99b135 100644
--- a/src/langbot/templates/config.yaml
+++ b/src/langbot/templates/config.yaml
@@ -58,4 +58,4 @@ plugin:
     runtime_ws_url: 'ws://langbot_plugin_runtime:5400/control/ws'
     enable_marketplace: true
     cloud_service_url: 'https://space.langbot.app'
-    display_plugin_debug_url: 'http://localhost:5401'
+    display_plugin_debug_url: 'ws://localhost:5401/plugin/debug/ws'