diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index c796661..8117776 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -14,6 +14,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/random.h>
+#include <linux/scatterlist.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/mm.h>