diff --git a/src/app/components/nav/Header.tsx b/src/app/components/nav/Header.tsx
index 33a46bb..3bf3ca0 100644
--- a/src/app/components/nav/Header.tsx
+++ b/src/app/components/nav/Header.tsx
@@ -263,9 +263,8 @@ export default function Header({ setGlobalLoggingOut }: HeaderProps) {
   const isLoggedIn = !!user
   const userPresent = mounted && isLoggedIn
 
-  // NEW: detect admin role across common shapes, but only after mount
-  const isAdmin =
-    mounted &&
+  // NEW: detect admin role across common shapes (guarded by mount to avoid SSR/CSR mismatch)
+  const rawIsAdmin =
     !!user &&
     (
       (user as any)?.role === 'admin' ||