diff --git a/frontend/components/layout/AppLayout.tsx b/frontend/components/layout/AppLayout.tsx
index 0ceb247b..02c7564f 100644
--- a/frontend/components/layout/AppLayout.tsx
+++ b/frontend/components/layout/AppLayout.tsx
@@ -409,7 +409,12 @@ function AppLayoutInner({ children }: AppLayoutProps) {
 
     if (pathname.startsWith("/admin") && pathname !== "/admin") {
       store.setMode("admin");
-      store.openTab({ type: "admin", title: pathname.split("/").pop() || "관리자", admin_url: pathname });
+      // menu API 가 실패하는 환경 (SUPER_ADMIN cross-tenant 등) 에서도 한글 라벨 유지
+      const ADMIN_PATH_LABELS: Record<string, string> = {
+        "/admin/userMng/deptMngList": "부서관리",
+      };
+      const fallbackTitle = ADMIN_PATH_LABELS[pathname] || pathname.split("/").pop() || "관리자";
+      store.openTab({ type: "admin", title: fallbackTitle, admin_url: pathname });
     }
   }, []);
 
@@ -903,15 +908,18 @@ function AppLayoutInner({ children }: AppLayoutProps) {
   }, [activeTab, uiMenus, isMenuActive]);
 
   // URL 직접 진입 / sessionStorage 복원 시 admin 탭의 영어 path-segment title 을
-  // menu_name_kor (uiMenus 의 tabTitle/label/name) 로 한 번만 갱신.
+  // menu_name_kor (uiMenus 의 tabTitle/label/name) 로 갱신.
+  // menu API 가 실패한 환경 (SUPER_ADMIN cross-tenant) 에서도 동작하도록 hardcoded map 도 같이 검사.
   useEffect(() => {
-    if (uiMenus.length === 0) return;
+    const ADMIN_PATH_LABELS: Record<string, string> = {
+      "/admin/userMng/deptMngList": "부서관리",
+    };
     const store = useTabStore.getState();
     for (const tab of store.admin.tabs) {
       if (tab.type !== "admin" || !tab.admin_url) continue;
       const matched = uiMenus.find((m: any) => m.url === tab.admin_url);
       const koreanTitle: string | undefined =
-        matched?.tabTitle || matched?.label || matched?.name;
+        matched?.tabTitle || matched?.label || matched?.name || ADMIN_PATH_LABELS[tab.admin_url];
       if (koreanTitle && tab.title !== koreanTitle) {
         store.updateTabTitle(tab.id, koreanTitle);
       }