diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index c2169b47ddfd0ddf6f912fe35f85858f5ee313cb..3324fbfe528a048b279c7b7f44e25810a750dbca 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -69,6 +69,7 @@
 #include <net/ip.h>
 #include <net/protocol.h>
 #include <net/route.h>
+#include <net/xfrm.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <net/arp.h>