diff --git a/include/subdir.am b/include/subdir.am
index f6328ef38e..4fa88a0afd 100644
--- a/include/subdir.am
+++ b/include/subdir.am
@@ -19,4 +19,5 @@ noinst_HEADERS += \
 	include/linux/seg6_local.h \
 	include/linux/mroute.h \
 	include/linux/mroute6.h \
+	include/linux/pkt_cls.h \
 	# end