diff --git a/usr.sbin/pkg_install/add/perform.c b/usr.sbin/pkg_install/add/perform.c
index a351a03d171f..baae120d7069 100644
--- a/usr.sbin/pkg_install/add/perform.c
+++ b/usr.sbin/pkg_install/add/perform.c
@@ -1,11 +1,11 @@
-/*	$NetBSD: perform.c,v 1.87 2003/09/08 07:00:10 jlam Exp $	*/
+/*	$NetBSD: perform.c,v 1.88 2003/09/23 06:19:46 grant Exp $	*/
 
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static const char *rcsid = "from FreeBSD Id: perform.c,v 1.44 1997/10/13 15:03:46 jkh Exp";
 #else
-__RCSID("$NetBSD: perform.c,v 1.87 2003/09/08 07:00:10 jlam Exp $");
+__RCSID("$NetBSD: perform.c,v 1.88 2003/09/23 06:19:46 grant Exp $");
 #endif
 #endif
 
@@ -640,7 +640,7 @@ ignore_replace_depends_check:
 		if (Verbose)
 			printf("mtree -U -f %s -d -e -p %s\n", MTREE_FNAME, p ? p->name : "/");
 		if (!Fake) {
-			if (vsystem("%s/mtree -U -f %s -d -e -p %s", BINDIR, MTREE_FNAME, p ? p->name : "/"))
+			if (vsystem("%s -U -f %s -d -e -p %s", MTREE_CMD, MTREE_FNAME, p ? p->name : "/"))
 				warnx("mtree returned a non-zero status - continuing");
 		}
 		unlink(MTREE_FNAME); /* remove this line to tar up pkg later  - HF */
diff --git a/usr.sbin/pkg_install/lib/lib.h b/usr.sbin/pkg_install/lib/lib.h
index 24bc96e17ea5..1e28954053e0 100644
--- a/usr.sbin/pkg_install/lib/lib.h
+++ b/usr.sbin/pkg_install/lib/lib.h
@@ -1,4 +1,4 @@
-/* $NetBSD: lib.h,v 1.57 2003/09/17 13:27:42 agc Exp $ */
+/* $NetBSD: lib.h,v 1.58 2003/09/23 06:19:45 grant Exp $ */
 
 /* from FreeBSD Id: lib.h,v 1.25 1997/10/08 07:48:03 charnier Exp */
 
@@ -89,6 +89,14 @@
 #define CHGRP_CMD "chgrp"
 #endif
 
+#ifndef MTREE_CMD
+# ifdef BINDIR
+#  define MTREE_CMD BINDIR "/mtree"
+# else
+#  define MTREE_CMD "mtree"
+# endif
+#endif
+
 /* The names of our "special" files */
 #define CONTENTS_FNAME		"+CONTENTS"
 #define COMMENT_FNAME		"+COMMENT"