diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 317ace7..1174ff5 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -82,6 +82,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
+#include <linux/if_arp.h>
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
 #include <net/ieee80211.h>