diff --git a/monitor/main.c b/monitor/main.c
index 1d579150..648e9938 100644
--- a/monitor/main.c
+++ b/monitor/main.c
@@ -35,6 +35,10 @@
 #include <linux/if_arp.h>
 #include <ell/ell.h>
 
+#ifndef ARPHRD_NETLINK
+#define ARPHRD_NETLINK	824
+#endif
+
 #include "linux/nl80211.h"
 #include "monitor/nlmon.h"
 #include "monitor/pcap.h"
diff --git a/monitor/nlmon.c b/monitor/nlmon.c
index e9b86ff9..12decec7 100644
--- a/monitor/nlmon.c
+++ b/monitor/nlmon.c
@@ -41,6 +41,10 @@
 #include <linux/filter.h>
 #include <ell/ell.h>
 
+#ifndef ARPHRD_NETLINK
+#define ARPHRD_NETLINK	824
+#endif
+
 #include "linux/nl80211.h"
 #include "src/ie.h"
 #include "src/util.h"