diff --git a/installer.sh b/installer.sh
index 8bad6ad..afc21d9 100644
--- a/installer.sh
+++ b/installer.sh
@@ -370,6 +370,7 @@ echo "" >> /etc/postfix/main.cf
 echo "#Pipe incoming mail trough Amavis" >> /etc/postfix/main.cf
 postconf -e 'content_filter = amavis:[127.0.0.1]:10024'
 postconf -e 'receive_override_options = no_address_mappings'
+echo "" >> /etc/postfix/master.cf
 echo "#Pipe incoming mail trough Amavis" >> /etc/postfix/master.cf
 echo "amavis unix - - - - 2 smtp" >> /etc/postfix/master.cf
 echo "  -o smtp_data_done_timeout=1200" >> /etc/postfix/master.cf