diff --git a/rootfs/etc/services.d/spamass-milter/run b/rootfs/etc/services.d/spamass-milter/run
index 37aa9cc..a606c14 100644
--- a/rootfs/etc/services.d/spamass-milter/run
+++ b/rootfs/etc/services.d/spamass-milter/run
@@ -1,3 +1,3 @@
  #!/usr/bin/with-contenv sh
  
-s6-setuidgid postfix spamass-milter -u -p /var/run/spamass-milter/spamass.sock -- -d spamassassin
+exec s6-setuidgid postfix spamass-milter -u postmaster -p /var/run/spamass-milter/spamass.sock -- -d spamassassin