diff --git a/backend/src/auth/google/google.auth.ts b/backend/src/auth/google/google.auth.ts
index ff4661ff..b1c1ee84 100644
--- a/backend/src/auth/google/google.auth.ts
+++ b/backend/src/auth/google/google.auth.ts
@@ -1,6 +1,6 @@
 import { APP_CONFIG } from "@backend/application-config.js";
 import { UserProvider } from "@backend/auth/user/user-provider/user-provider.js";
-import { createPath } from "@backend/config/api-path.js";
+import { createPath, retrieveRefererPath } from "@backend/config/api-path.js";
 import { assertEnv, BlEnvironment } from "@backend/config/environment.js";
 import { SEResponseHandler } from "@backend/response/se.response.handler.js";
 import { BlError } from "@shared/bl-error/bl-error.js";
@@ -102,9 +102,7 @@ export class GoogleAuth {
               res,
               tokens.accessToken,
               tokens.refreshToken,
-
-              // @ts-expect-error fixme: auto ignored
-              retrieveRefererPath(request.headers),
+              retrieveRefererPath(request.headers) ?? undefined,
             );
           }
         },