diff --git a/roles/base/templates/iptables/iptables b/roles/base/templates/iptables/iptables
index 9cecdf8898..409719d209 100644
--- a/roles/base/templates/iptables/iptables
+++ b/roles/base/templates/iptables/iptables
@@ -103,7 +103,7 @@
 {% if proxy_tcp_ports is defined %}
 {% for port in proxy_tcp_ports %}
 {% for proxy in (groups['proxies'] + groups['proxies_internal']) %}
-{% if hostvars[proxy]['datacenter'] == "phx2" %}
+{% if hostvars[proxy].datacenter == 'phx2' %}
 -A INPUT -p tcp -m tcp --dport {{ port }} --src {{ hostvars[proxy]['ansible_eth0']['ipv4']['address'] }} -j ACCEPT
 {% else %}
 -A INPUT -p tcp -m tcp --dport {{ port }} --src {{ hostvars[proxy]['ansible_tun0']['ipv4']['address'] }} -j ACCEPT