diff --git a/include/uapi/linux/netfilter/nf_conntrack_tuple_common.h b/include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
index a9c3834abdd4189de5d9f1473e165cee12792c1e..526b42496b7883d55c6b8aac42d8e0ccd8ee76c7 100644
--- a/include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
+++ b/include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
@@ -2,7 +2,10 @@
 #define _NF_CONNTRACK_TUPLE_COMMON_H
 
 #include <linux/types.h>
+#ifndef __KERNEL__
 #include <linux/netfilter.h>
+#endif
+#include <linux/netfilter/nf_conntrack_common.h> /* IP_CT_IS_REPLY */
 
 enum ip_conntrack_dir {
 	IP_CT_DIR_ORIGINAL,