--- nf-queue.c.orig	2022-04-15 18:49:58.769003690 +0000
+++ ./src/nf-queue.c	2022-04-15 18:51:25.966876442 +0000
@@ -13,6 +13,7 @@
 #include <netlink/netfilter/queue.h>
 #include <netlink/netfilter/queue_msg.h>
 
+#include <sys/select.h>
 #include <linux/netlink.h>
 
 static struct nl_sock *nf_sock;
