diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index c169e2d..acf70c0 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -13,7 +13,11 @@ api.interceptors.response.use(
   (response) => response,
   (error) => {
     if (error.response?.status === 401) {
-      window.location.href = '/login';
+      const url = error.config?.url || '';
+      // Don't redirect on auth endpoints — they legitimately return 401
+      if (!url.startsWith('/auth/')) {
+        window.location.href = '/login';
+      }
     }
     return Promise.reject(error);
   }