diff --git a/core/postfix/conf/master.cf b/core/postfix/conf/master.cf
index 86659460..f88a19b3 100644
--- a/core/postfix/conf/master.cf
+++ b/core/postfix/conf/master.cf
@@ -53,3 +53,6 @@ lmtp      unix  -       -       n       -       -       lmtp
 anvil     unix  -       -       n       -       1       anvil
 scache    unix  -       -       n       -       1       scache
 postlog   unix-dgram n  -       n       -       1       postlogd
+
+{# Ensure that the rendered file ends with a newline #}
+{{- "\n" }}