diff --git a/src/api/sockets.c b/src/api/sockets.c
index 0fb83a11..783dfe87 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -522,14 +522,14 @@ alloc_socket(struct netconn *newconn, int accepted)
          after having marked it as used. */
       SYS_ARCH_UNPROTECT(lev);
       sockets[i].lastdata.pbuf = NULL;
-#if LWIP_SOCKET_SELECT
+#if LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL
       LWIP_ASSERT("sockets[i].select_waiting == 0", sockets[i].select_waiting == 0);
       sockets[i].rcvevent   = 0;
       /* TCP sendbuf is empty, but the socket is not yet writable until connected
        * (unless it has been created by accept()). */
       sockets[i].sendevent  = (NETCONNTYPE_GROUP(newconn->type) == NETCONN_TCP ? (accepted != 0) : 1);
       sockets[i].errevent   = 0;
-#endif /* LWIP_SOCKET_SELECT */
+#endif /* LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL */
       return i + LWIP_SOCKET_OFFSET;
     }
     SYS_ARCH_UNPROTECT(lev);