diff --git a/usr.sbin/xten/Makefile b/usr.sbin/xten/Makefile
index 6300ec9effe..cc7baeae3e4 100644
--- a/usr.sbin/xten/Makefile
+++ b/usr.sbin/xten/Makefile
@@ -2,7 +2,7 @@
 
 PROG=	xten
 SRCS=	xten.c
-CFLAGS+=-I. -I/usr/src/libexec/xtend
+CFLAGS+=-I. -I${.CURDIR}/../../libexec/xtend
 
 MAN1=	xten.1