diff --git a/files/lib/systemd/system/mattermost.service b/files/lib/systemd/system/mattermost.service
index a08e21c..1a3585d 100644
--- a/files/lib/systemd/system/mattermost.service
+++ b/files/lib/systemd/system/mattermost.service
@@ -5,7 +5,7 @@ After=postgresql.service
 BindsTo=postgresql.service
 [Service]
 Type=notify
-ExecStart=/opt/mattermost/bin/mattermost
+ExecStart=/usr/bin/mattermost --config files/etc/mattermost/config.json
 TimeoutStartSec=3600
 KillMode=mixed
 Restart=always