diff --git a/pkg/lwip/contrib/sock/udp/lwip_sock_udp.c b/pkg/lwip/contrib/sock/udp/lwip_sock_udp.c
index 96a49536ef..e947849857 100644
--- a/pkg/lwip/contrib/sock/udp/lwip_sock_udp.c
+++ b/pkg/lwip/contrib/sock/udp/lwip_sock_udp.c
@@ -29,7 +29,6 @@ int sock_udp_create(sock_udp_t *sock, const sock_udp_ep_t *local,
                     const sock_udp_ep_t *remote, uint16_t flags)
 {
     assert(sock != NULL);
-    assert(local == NULL || local->port != 0);
     assert(remote == NULL || remote->port != 0);
 
     int res;