diff --git a/src/App.js b/src/App.js
index 1d8a8772cc39735138412c4d7607246899ccdc59..1638d42c33d13094f8ac94fa4c81479636c67cd9 100644
--- a/src/App.js
+++ b/src/App.js
@@ -15,7 +15,7 @@ function App() {
     if (!timerID) {
       startRenew(token, setToken, setTimerID);
     }
-    return stopRenew(timerID);
+    return () => stopRenew(timerID);
   }, [token, setToken, timerID, setTimerID]);
 
   const login = (newToken, member) => {