diff --git a/etc/systemd/system/disk_space_alert.service b/etc/systemd/system/disk_space_alert.service
index 943a547..0d3b26d 100644
--- a/etc/systemd/system/disk_space_alert.service
+++ b/etc/systemd/system/disk_space_alert.service
@@ -3,7 +3,7 @@ Description=Run disk_space_alert
 
 [Service]
 Type=oneshot
-ExecStart=disk-space-alert
+ExecStart=disk_space_alert
 
 [Install]
 WantedBy=multi-user.target