diff --git a/inarpd-0.17.c b/inarpd-0.17.c
index 7ce7edb..6c14b3c 100644
--- a/inarpd-0.17.c
+++ b/inarpd-0.17.c
@@ -27,6 +27,7 @@
 #include <asm/types.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
+#include <arpa/inet.h>
 #include <sys/socket.h>
 #define __const__ /* avoid compiler warnings related to __const__ returns */
 #include <linux/in.h>