diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 41f8c9c08dba..1e7a43f500ab 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -453,7 +453,7 @@ csum_copy_err:
 	}
 	unlock_sock_fast(sk, slow);
 
-	if (flags & MSG_DONTWAIT)
+	if (noblock)
 		return -EAGAIN;
 	goto try_again;
 }