diff --git a/Makefile b/Makefile
index 3f1e18dc659d..163362b82f94 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,8 @@
 
 .include <bsd.own.mk>
 
+INCSDIR= ${INCSDIR0}
+
 SUBDIR=	altq arch compat dev fs miscfs \
 	net net80211 netatalk netbt netcan netipsec netinet netinet6 \
         netmpls netsmb \