diff --git a/salt/profile/postfix/files/etc/systemd/system/postfix-queue-size-metrics.timer.j2 b/salt/profile/postfix/files/etc/systemd/system/postfix-queue-size-metrics.timer.j2
index beeb531..38b8903 100644
--- a/salt/profile/postfix/files/etc/systemd/system/postfix-queue-size-metrics.timer.j2
+++ b/salt/profile/postfix/files/etc/systemd/system/postfix-queue-size-metrics.timer.j2
@@ -1,6 +1,7 @@
 {{ pillar['managed_by_salt'] }}
 
 [Unit]
+After=postfix.service
 BindsTo=postfix.service
 
 [Timer]
@@ -8,4 +9,4 @@ OnCalendar=*:0/5
 AccuracySec=1us
 
 [Install]
-WantedBy=timers.target
+WantedBy=postfix.service