diff --git a/external/bsd/Makefile b/external/bsd/Makefile
index 50bfb5feea5c..af73c103f570 100644
--- a/external/bsd/Makefile
+++ b/external/bsd/Makefile
@@ -1,8 +1,8 @@
-#	$NetBSD: Makefile,v 1.15 2009/10/26 04:10:12 christos Exp $
+#	$NetBSD: Makefile,v 1.16 2009/10/26 21:38:32 christos Exp $
 
 .include <bsd.own.mk>
 
-SUBDIR+= am-utils bind dhcpcd fetch file libarchive mdocml pkg_install top
+SUBDIR+= am-utils bind dhcpcd fetch file flex libarchive mdocml pkg_install top
 .if (${MKATF} != "no")
 SUBDIR+= atf
 .endif