diff --git a/package-with/systemd.service b/package-with/systemd.service
index 024f930..fb631ff 100644
--- a/package-with/systemd.service
+++ b/package-with/systemd.service
@@ -7,6 +7,7 @@ After=network.target
 Type=simple
 ExecStart=/usr/sbin/webdavd /etc/webdavd
 LogsDirectory=webdavd
+ProtectSystem=full
 
 [Install]
 WantedBy=multi-user.target