diff --git a/ubusd_event.c b/ubusd_event.c
index a5ff09e..7b4c35e 100644
--- a/ubusd_event.c
+++ b/ubusd_event.c
@@ -1,3 +1,4 @@
+#include <arpa/inet.h>
 #include "ubusd.h"
 
 static struct avl_tree patterns;