diff --git a/tests/sys/netpfil/Makefile b/tests/sys/netpfil/Makefile
index 434c5532b63e..2fb3b1447f10 100644
--- a/tests/sys/netpfil/Makefile
+++ b/tests/sys/netpfil/Makefile
@@ -1,11 +1,13 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 TESTSDIR=		${TESTSBASE}/sys/netpfil
 
+TESTS_SUBDIRS+=		common
+
 .if ${MK_PF} != "no"
 TESTS_SUBDIRS+=		pf
 .endif
 
 .include <bsd.test.mk>