diff --git a/src/routers/CheckAuth.tsx b/src/routers/CheckAuth.tsx
index dea91e8..238c0df 100644
--- a/src/routers/CheckAuth.tsx
+++ b/src/routers/CheckAuth.tsx
@@ -12,7 +12,7 @@ export default function CheckAuth({ children }: propsType) {
   useEffect(() => {
     (async () => {
       const isExist = await existGame();
-      if (isExist) {
+      if (isExist.valid) {
         if (confirm('이미 참가중인 방이 있습니다. 재접속 하시겠습니까?')) {
           navigate('/game');
         }