diff --git a/lib/tasks/change_site_cert.rake b/lib/tasks/change_site_cert.rake
index bfb6312..147890c 100644
--- a/lib/tasks/change_site_cert.rake
+++ b/lib/tasks/change_site_cert.rake
@@ -43,7 +43,7 @@ namespace :create_site do
                 if site_constructs.count > 1
                   auto_update_infos("Generating single cert for multiple domain names...")
                 end
-                exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' #{certbot_path} --nginx #{domain_names.map{|d| "-d " + d}.join(" ")} -n --#{redirect_to_https ? 'redirect' : 'no-redirect'}",true,false)
+                exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' #{certbot_path} --nginx #{domain_names.map{|d| "-d " + d}.join(" ")} -n --#{redirect_to_https ? 'redirect' : 'no-redirect'}  --expand",true,false)
                 site_constructs.each do |site_construct|
                   @site_construct = site_construct
                   auto_update_infos("Checking cert for #{site_construct.site_name}...")