diff --git a/examples/m2m-auth-with-next/app/constants.ts b/examples/m2m-auth-with-next/app/constants.ts
index 62d1a97..19eb4a1 100644
--- a/examples/m2m-auth-with-next/app/constants.ts
+++ b/examples/m2m-auth-with-next/app/constants.ts
@@ -21,6 +21,6 @@ export function getBaseUrl() {
   return process.env.VERCEL_ENV === "production"
     ? "https://m2m-auth.vercel.app"
     : process.env.VERCEL_URL
-    ? "https://${process.env.VERCEL_URL}"
+    ? `https://${process.env.VERCEL_URL}`
     : "http://localhost:3000";
 }