diff --git a/target/supervisor/conf.d/supervisor-app.conf b/target/supervisor/conf.d/supervisor-app.conf
index 5a1083d8..aed64b15 100644
--- a/target/supervisor/conf.d/supervisor-app.conf
+++ b/target/supervisor/conf.d/supervisor-app.conf
@@ -131,7 +131,7 @@ autostart=false
 autorestart=true
 stdout_logfile=/var/log/supervisor/%(program_name)s.log
 stderr_logfile=/var/log/supervisor/%(program_name)s.log
-command=postfix start-fg
+command=/usr/bin/pidproxy /var/spool/postfix/pid/master.pid /usr/sbin/postfix start-fg
 
 [program:changedetector]
 startsecs=0