diff --git a/sys/src/cmd/upas/fs/mkfile b/sys/src/cmd/upas/fs/mkfile
index bbf141fc3..024c2f17b 100644
--- a/sys/src/cmd/upas/fs/mkfile
+++ b/sys/src/cmd/upas/fs/mkfile
@@ -1,5 +1,4 @@
 </$objtype/mkfile
-<../mkupas
 
 TARG=fs
 
@@ -33,5 +32,7 @@ UPDATE=\
 </sys/src/cmd/mkone
 CFLAGS=$CFLAGS  -I../common
 
+<../mkupas
+
 acid:V:
 	$CC -a $CFLAGS fs.c>a$O