diff --git a/meta-networking/recipes-daemons/postfix/postfix.inc b/meta-networking/recipes-daemons/postfix/postfix.inc
index 8a4428c50..5133caaa4 100644
--- a/meta-networking/recipes-daemons/postfix/postfix.inc
+++ b/meta-networking/recipes-daemons/postfix/postfix.inc
@@ -115,7 +115,7 @@ do_install () {
         'data_directory=${localstatedir}/lib/postfix' \
         -non-interactive
     rm -rf ${D}${localstatedir}/spool/postfix
-    mv ${D}${sysconfdir}/postfix/main.cf ${D}${sysconfdir}/postfix/sample-main.cf
+    mv ${D}${sysconfdir}/postfix/main.cf ${D}${sysconfdir}/postfix/${MLPREFIX}sample-main.cf
     install -m 755 ${S}/bin/smtp-sink ${D}/${sbindir}/
     install -d ${D}${sysconfdir}/init.d
     install -m 644 ${WORKDIR}/main.cf ${D}${sysconfdir}/postfix/main.cf