--- /lib/systemd/system/owfs.service~   2020-11-02 02:27:06.470004783 +0700
+++ /lib/systemd/system/owfs.service    2020-11-02 02:27:23.434109161 +0700
@@ -6,7 +6,7 @@
 Type=notify
 NotifyAccess=all
 ExecStart=/usr/bin/owfs -c /etc/owfs.conf --allow_other %t/owfs
-ExecStop=/usr/bin/umount %t/owfs
+ExecStop=/bin/umount %t/owfs
 RuntimeDirectory=owfs
 
 [Install]