diff --git a/linphone-daemon.service b/linphone-daemon.service
index 8cc13e4..745efe3 100644
--- a/linphone-daemon.service
+++ b/linphone-daemon.service
@@ -7,7 +7,7 @@ After=var-tmp-debian\x2dsid-dev.mount
 Type=simple
 RootDirectory=/var/tmp/debian-sid
 ExecStartPre=/bin/rm -f /tmp/linphone
-ExecStart=/usr/bin/linphone-daemon --pipe linphone --config /home/pi/linphone.conf
+ExecStart=/usr/bin/linphone-daemon --pipe linphone --factory-config /home/pi/linphone.conf
 User=pi
 Restart=on-failure