Index: boreas/sniffer.c
--- boreas/sniffer.c.orig
+++ boreas/sniffer.c
@@ -22,14 +22,16 @@
 #include "alivedetection.h"
 #include "boreas_io.h"
 
+#include <sys/socket.h>
 #include <arpa/inet.h>
 #include <errno.h>
 #include <glib.h>
-#include <net/if_arp.h>
 #include <netinet/ip.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <net/if_arp.h>
+#include <netinet/if_ether.h>
 
 #undef G_LOG_DOMAIN
 /**