diff --git a/core/postfix/start.py b/core/postfix/start.py
index 95c97fde..a5a6db06 100755
--- a/core/postfix/start.py
+++ b/core/postfix/start.py
@@ -54,6 +54,6 @@ convert("/conf/rsyslog.conf", "/etc/rsyslog.conf")
 multiprocessing.Process(target=start_podop).start()
 if os.path.exists("/var/run/rsyslogd.pid"):
     os.remove("/var/run/rsyslogd.pid")
-os.system("/usr/lib/postfix/post-install meta_directory=/etc/postfix create-missing")
-os.system("/usr/lib/postfix/master &")
+os.system("/usr/libexec/postfix/post-install meta_directory=/etc/postfix create-missing")
+os.system("/usr/libexec/postfix/master &")
 os.execv("/usr/sbin/rsyslogd", ["rsyslogd", "-n"])