diff --git a/modules/rhizo_base/templates/config_values.py.erb b/modules/rhizo_base/templates/config_values.py.erb
index da58fef..11faf8e 100644
--- a/modules/rhizo_base/templates/config_values.py.erb
+++ b/modules/rhizo_base/templates/config_values.py.erb
@@ -52,7 +52,7 @@ rai_admin_user = '<%= @rai_admin_user %>'
 rai_admin_pwd = '<%= @rai_admin_pwd %>'
 
 kannel_server = '<%= @kannel_server %>'
-kannel_port = <%= @kannel_port %>
+kannel_port = '<%= @kannel_port %>'
 kannel_username = '<%= @kannel_username %>'
 kannel_password = '<%= @kannel_sendsms_password %>'