diff --git a/debian/msmtp-mta.msmtpd.service b/debian/msmtp-mta.msmtpd.service
index 4a566c586a57cfd13a5f011febe52acd2b80b022..12c04ebf1c9cca35c008494d1052004213792e30 100644
--- a/debian/msmtp-mta.msmtpd.service
+++ b/debian/msmtp-mta.msmtpd.service
@@ -16,7 +16,7 @@ Environment=INTERFACE=127.0.0.1 PORT=25
 EnvironmentFile=-/etc/default/msmtpd
 
 Type=simple
-ExecStart=/usr/bin/msmtpd --interface=${INTERFACE} --port=${PORT}
+ExecStart=/usr/bin/msmtpd --interface=${INTERFACE} --port=${PORT} --command=${COMMAND}
 
 Restart=always
 RestartSec=60