diff --git a/app/api/v1/admin/auth.py b/app/api/v1/admin/auth.py
index fb48d185..ad042f33 100644
--- a/app/api/v1/admin/auth.py
+++ b/app/api/v1/admin/auth.py
@@ -113,6 +113,13 @@ def admin_logout(response: Response):
         path="/admin",
     )
 
-    logger.debug("Deleted admin_token cookie")
+    # Also clear legacy cookie with path=/ (from before path isolation was added)
+    # This handles users who logged in before the path=/admin change
+    response.delete_cookie(
+        key="admin_token",
+        path="/",
+    )
+
+    logger.debug("Deleted admin_token cookies (both /admin and / paths)")
 
     return LogoutResponse(message="Logged out successfully")