diff --git a/files/gitlab-cookbooks/gitlab/attributes/default.rb b/files/gitlab-cookbooks/gitlab/attributes/default.rb
index e53ef56..570fcc8 100644
--- a/files/gitlab-cookbooks/gitlab/attributes/default.rb
+++ b/files/gitlab-cookbooks/gitlab/attributes/default.rb
@@ -60,7 +60,7 @@ default['gitlab']['gitlab-rails']['gitlab_default_can_create_group'] = nil
 default['gitlab']['gitlab-rails']['gitlab_username_changing_enabled'] = nil
 default['gitlab']['gitlab-rails']['gitlab_default_theme'] = nil
 default['gitlab']['gitlab-rails']['gitlab_signup_enabled'] = nil
-default['gitlab']['gitlab-rails']['gitlab_signin_enabled'] = true
+default['gitlab']['gitlab-rails']['gitlab_signin_enabled'] = nil
 default['gitlab']['gitlab-rails']['gitlab_default_projects_features_issues'] = true
 default['gitlab']['gitlab-rails']['gitlab_default_projects_features_merge_requests'] = true
 default['gitlab']['gitlab-rails']['gitlab_default_projects_features_wiki'] = true
--
libgit2 0.21.2