diff --git a/ui/components/ChatWindow.tsx b/ui/components/ChatWindow.tsx
index b1a87a2..f2c89a3 100644
--- a/ui/components/ChatWindow.tsx
+++ b/ui/components/ChatWindow.tsx
@@ -194,8 +194,10 @@ const useSocket = (
     }
 
     return () => {
-      ws?.close();
-      console.log('[DEBUG] closed');
+      if (ws?.readyState === 1) {
+        ws?.close();
+        console.log('[DEBUG] closed');
+      }
     };
   }, [ws, url, setIsWSReady, setError]);