diff --git a/plugins/auth-backend/src/service/createCookieAuthErrorMiddleware.ts b/plugins/auth-backend/src/service/createCookieAuthErrorMiddleware.ts
index 9b1d20431d..cf7645b081 100644
--- a/plugins/auth-backend/src/service/createCookieAuthErrorMiddleware.ts
+++ b/plugins/auth-backend/src/service/createCookieAuthErrorMiddleware.ts
@@ -30,7 +30,7 @@ export function createCookieAuthErrorMiddleware(authUrl: string) {
     if (error) {
       const { hostname: domain } = new URL(authUrl);
 
-      res.clearCookie('auth-error', {
+      res.clearCookie(AUTH_ERROR_COOKIE, {
         path: '/api/auth/.backstage/error',
         domain,
       });