diff --git a/include/uapi/linux/tc_act/Kbuild b/include/uapi/linux/tc_act/Kbuild
index e3969bd939e4..9611c7b6c18f 100644
--- a/include/uapi/linux/tc_act/Kbuild
+++ b/include/uapi/linux/tc_act/Kbuild
@@ -11,3 +11,4 @@ header-y += tc_vlan.h
 header-y += tc_bpf.h
 header-y += tc_connmark.h
 header-y += tc_ife.h
+header-y += tc_tunnel_key.h