diff --git a/include/linux/netfilter/xt_conntrack.h b/include/linux/netfilter/xt_conntrack.h
index f3fd83e46babdf422bf6952f0c21214fdac57d98..8f5345275393b61d652a0cd934f656770f0557a7 100644
--- a/include/linux/netfilter/xt_conntrack.h
+++ b/include/linux/netfilter/xt_conntrack.h
@@ -5,6 +5,7 @@
 #ifndef _XT_CONNTRACK_H
 #define _XT_CONNTRACK_H
 
+#include <linux/types.h>
 #include <linux/netfilter/nf_conntrack_tuple_common.h>
 
 #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))