diff --git a/files/gitlab-cookbooks/gitlab/templates/default/smtp_settings.rb.erb b/files/gitlab-cookbooks/gitlab/templates/default/smtp_settings.rb.erb
index a407bc2..05671bd 100644
--- a/files/gitlab-cookbooks/gitlab/templates/default/smtp_settings.rb.erb
+++ b/files/gitlab-cookbooks/gitlab/templates/default/smtp_settings.rb.erb
@@ -7,7 +7,7 @@ if Rails.env.production?
 
   ActionMailer::Base.smtp_settings = {
     authentication: <%= @smtp_authentication.to_s.to_sym.inspect %>,
-<% %w{ address port user_name password domain enable_starttls_auto }.each do |key| %>
+<% %w{ address port user_name password domain enable_starttls_auto tls }.each do |key| %>
   <% if value = node['gitlab']['gitlab-rails']["smtp_#{key}"] %>
     <%= "#{key}: #{value.inspect}," %>
   <% end %>
--
libgit2 0.21.2