diff --git a/postfix/nullclient/etc/postfix/main.cf b/postfix/nullclient/etc/postfix/main.cf
index c181a788e441b379507efdcbbd230cad828408c1..487d912776f46858f7978ada96b9d4e747ef07e6 100644
--- a/postfix/nullclient/etc/postfix/main.cf
+++ b/postfix/nullclient/etc/postfix/main.cf
@@ -36,7 +36,7 @@ local_recipient_maps = unix:passwd.byname
 
 mydestination = {{ minion_id }}, localhost
 relayhost = {{ pillar['relayhost'] }}
-mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 {% if pillar['docker-support'] %}172.16.0.0/12{% endif %}
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128{% if pillar['docker-support'] %} 172.16.0.0/12{% endif %}
 mailbox_command = procmail -a "$EXTENSION"
 mailbox_size_limit = 0
 recipient_delimiter = +