diff --git a/ws.py b/ws.py
index b7e8cbf..7a4845f 100644
--- a/ws.py
+++ b/ws.py
@@ -26,7 +26,8 @@ class WS:
             sys.exit(1)
         else:
             print(f"Run after setup {SERVICE_NAME}: {START_AFTER_CONNECT}")
-        self.ws = websocket.WebSocketApp(backend, cookie="secretkey="+auth, on_close=self.on_close, on_open=self.on_open)
+        addr = backend.replace("https://", "wss://")
+        self.ws = websocket.WebSocketApp(addr, cookie="secretkey="+auth, on_close=self.on_close, on_open=self.on_open)
 
     @staticmethod
     def on_close(ws_self, status_code, msg):