diff --git a/iptables/templates/iptables-rules.v4.j2 b/iptables/templates/iptables-rules.v4.j2
index 477190c5..cf430e2c 100644
--- a/iptables/templates/iptables-rules.v4.j2
+++ b/iptables/templates/iptables-rules.v4.j2
@@ -165,7 +165,7 @@
 {% endif %}
 {% endif %}
 
-{% if postfix_relay_server is defined and postfix_relay_server %}
+{% if postfix_relay_server %}
 #
 # These are only needed on the machines that act as relay servers
 #
@@ -179,7 +179,7 @@
 -A OUTPUT -p tcp -m multiport --dports 25,587,465 -m state --state NEW -j LOG --log-prefix "LOCAL_DROPPED_SPAM " --log-uid
 -A OUTPUT -p tcp -m multiport --dports 25,587,465 -j DROP
 {% endif %}
-{% if postfix_relay_server is defined and not postfix_relay_server %}
+{% if not postfix_relay_server %}
 #
 # When we are not a relay server but we want send email using our relay
 -A OUTPUT -p tcp -m multiport --dports 25,587,465 -s 127.0.0.1 -d 127.0.0.1 -j ACCEPT