diff --git a/templates/newton/nova.conf b/templates/newton/nova.conf
index c2b578f9..66b18e67 100644
--- a/templates/newton/nova.conf
+++ b/templates/newton/nova.conf
@@ -111,13 +111,13 @@ volume_api_class=nova.volume.cinder.API
 {% 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 -%}
 
 {% if listen_ports -%}
-{% for key, value in listen_ports.iteritems() -%}
+{% for key, value in listen_ports.items() -%}
 {{ key }} = {{ value }}
 {% endfor -%}
 {% endif -%}