Update router.ts

Co-authored-by: JJ Kasper <jj@jjsweb.site>
vercel · Dec 18, 2024 · c2a77f1 · c2a77f1
1 parent c496c85
commit c2a77f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/next/src/shared/lib/router/router.ts b/packages/next/src/shared/lib/router/router.ts
@@ -499,7 +499,7 @@ function fetchNextData({
         {} as HeadersInit,
         isPrefetch ? { purpose: 'prefetch' } : {},
         isPrefetch && hasMiddleware ? { 'x-middleware-prefetch': '1' } : {},
-        { 'x-deployment-id': process.env.NEXT_DEPLOYMENT_ID }
+        process.env.NEXT_DEPLOYMENT_ID ? { 'x-deployment-id': process.env.NEXT_DEPLOYMENT_ID } : {}
       ),
       method: params?.method ?? 'GET',
     })