diff --git a/apps/cs/src/pages/site/ui/modify-page.tsx b/apps/cs/src/pages/site/ui/modify-page.tsx
index 4f0924a07..87bf2a9a5 100644
--- a/apps/cs/src/pages/site/ui/modify-page.tsx
+++ b/apps/cs/src/pages/site/ui/modify-page.tsx
@@ -15,7 +15,7 @@ function ModifyPage({ siteId }: { siteId: string }) {
   const queryClient = useQueryClient();
   const alert = useAlertStore((state) => state.setMessage);
 
-  const { data: siteDetail } = useQuery({
+  const { data: siteDetail, error } = useQuery({
     queryKey: [ENDPOINT.CMS_SERVICE.SITES, siteId],
     queryFn: () => SiteApi.siteDetail(siteId),
     select: (data) => {
@@ -26,13 +26,14 @@ function ModifyPage({ siteId }: { siteId: string }) {
       };
     },
     enabled: !!siteId,
+    retry: false,
   });
 
   useEffect(() => {
-    if (siteDetail === null && siteId) {
+    if (error && siteId) {
       alert("사이트 정보를 찾을 수 없습니다.", () => router.push("/site"));
     }
-  }, [siteDetail, siteId]);
+  }, [error, siteId]);
 
   const { mutateAsync: updateSite } = useMutationWrapper({
     mutationFn: (data: SiteFormData) => SiteApi.updateSite(siteId, data),