diff --git a/lib/tasks/copy_site.rake b/lib/tasks/copy_site.rake
index e9fc626..e34d8cd 100644
--- a/lib/tasks/copy_site.rake
+++ b/lib/tasks/copy_site.rake
@@ -67,7 +67,7 @@ namespace :create_site do
         exec_ssh_command_by_sudo_for_create(ssh,"sudo -p 'sudo password:' chmod 777 #{args.path}/#{@site_construct.get_site_name} -R")
         db_setting_text = ssh.exec!("cat #{args.path}/#{args.site_name}/config/mongoid.yml")
         update_infos("setting dbname to #{args.db_name}")
-        exec_ssh_command_by_sudo_for_create(ssh,"sh -c \"echo '#{db_setting_text.gsub(template_site.db_name,args.db_name)}' > #{args.path}/#{@site_construct.get_site_name}/config/mongoid.yml\"",true)
+        exec_ssh_command_by_sudo_for_create(ssh,"sh -c \"echo '#{db_setting_text.gsub(/database: .+/,"database: "+args.db_name)}' > #{args.path}/#{@site_construct.get_site_name}/config/mongoid.yml\"",true)
         unless args.only_copy_installed_module == true || args.only_copy_installed_module == "true"
           update_infos("copying db from #{template_site.db_name} to #{args.db_name}")
           if @site_construct.server_type == template_site.server_type