diff --git a/libs/ngx-ssr/cache/express/index.ts b/libs/ngx-ssr/cache/express/index.ts
index b4184fa..5e7a74c 100644
--- a/libs/ngx-ssr/cache/express/index.ts
+++ b/libs/ngx-ssr/cache/express/index.ts
@@ -32,7 +32,7 @@ export function withCache(
       });
     }
 
-    const originalUrl = options.req.originalUrl;
+    const originalUrl = options.req?.originalUrl;
 
     if (!originalUrl) {
       runEngine();