diff --git a/cookbooks/mailman/templates/centos/mm_cfg.py.erb b/cookbooks/mailman/templates/centos/mm_cfg.py.erb
index 0265092..9accf3d 100644
--- a/cookbooks/mailman/templates/centos/mm_cfg.py.erb
+++ b/cookbooks/mailman/templates/centos/mm_cfg.py.erb
@@ -20,7 +20,7 @@ DEFAULT_URL_HOST   = '<%= node['config']['lists_hostname'] %>'
 DEFAULT_EMAIL_HOST = '<%= node['config']['lists_hostname'] %>'
 MTA = None
 POSTFIX_STYLE_VIRTUAL_DOMAINS = ['<%= node['config']['lists_hostname']%>']
-DEFAULT_URL_PATTERN = 'http://%s/mailman/cgi-bin/'
+DEFAULT_URL_PATTERN = 'https://%s/mailman/cgi-bin/'
 
 ###############################################################
 # copied from default mailman config file
--
libgit2 0.21.2