diff --git a/roles/wsgi_website/templates/environment.sh.j2 b/roles/wsgi_website/templates/environment.sh.j2
index f5af0acd1fa8bef138717ff8bf924ca531707e88..917e9e9d403b859376f73a1f73386bb18d7e8056 100644
--- a/roles/wsgi_website/templates/environment.sh.j2
+++ b/roles/wsgi_website/templates/environment.sh.j2
@@ -1,3 +1,3 @@
-{% for var, val in environment_variables.iteritems() %}
+{% for var, val in environment_variables.items() %}
 export {{ var }}='{{ val }}'
 {% endfor %}