diff --git a/templates/icehouse/neutron.conf b/templates/icehouse/neutron.conf
index e7b79a0..4f150d8 100644
--- a/templates/icehouse/neutron.conf
+++ b/templates/icehouse/neutron.conf
@@ -67,7 +67,7 @@ nova_admin_auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}/v2.0
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/juno/neutron.conf b/templates/juno/neutron.conf
index 2ad2105..b97f061 100644
--- a/templates/juno/neutron.conf
+++ b/templates/juno/neutron.conf
@@ -71,7 +71,7 @@ nova_admin_auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}/v2.0
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/kilo/neutron.conf b/templates/kilo/neutron.conf
index 1c05253..f4b7404 100644
--- a/templates/kilo/neutron.conf
+++ b/templates/kilo/neutron.conf
@@ -69,7 +69,7 @@ nova_admin_auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}/v2.0
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/liberty/neutron.conf b/templates/liberty/neutron.conf
index d0d52ae..8164b30 100644
--- a/templates/liberty/neutron.conf
+++ b/templates/liberty/neutron.conf
@@ -64,7 +64,7 @@ notify_nova_on_port_data_changes = True
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/mitaka/neutron.conf b/templates/mitaka/neutron.conf
index 5449720..fd85550 100644
--- a/templates/mitaka/neutron.conf
+++ b/templates/mitaka/neutron.conf
@@ -60,7 +60,7 @@ notify_nova_on_port_data_changes = True
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/newton/neutron.conf b/templates/newton/neutron.conf
index d516342..536abe5 100644
--- a/templates/newton/neutron.conf
+++ b/templates/newton/neutron.conf
@@ -64,7 +64,7 @@ notify_nova_on_port_data_changes = True
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}
diff --git a/templates/pike/neutron.conf b/templates/pike/neutron.conf
index d9d2f8c..c51527b 100644
--- a/templates/pike/neutron.conf
+++ b/templates/pike/neutron.conf
@@ -60,7 +60,7 @@ notify_nova_on_port_data_changes = True
 {% endif %}
 
 {% if user_config_flags -%}
-{% for key, value in user_config_flags.iteritems() -%}
+{% for key, value in user_config_flags.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}