diff --git a/conf/watcher.service b/conf/watcher.service
index 7538525..e2d9cfd 100644
--- a/conf/watcher.service
+++ b/conf/watcher.service
@@ -8,7 +8,7 @@ StartLimitBurst=5
 
 [Service]
 Type=oneshot
-ExecStartPre=/usr/bin/chmod +x __INSTALL_DIR__/apps/notify_push/bin/__ARCH__/notify_push
+ExecStartPre=/usr/bin/chmod u+x __INSTALL_DIR__/apps/notify_push/bin/__ARCH__/notify_push
 ExecStart=/usr/bin/systemctl restart __APP__-notify-push.service
 
 [Install]