diff --git a/app/controllers/seminars_controller.rb b/app/controllers/seminars_controller.rb
index dca2136..d15b58d 100644
--- a/app/controllers/seminars_controller.rb
+++ b/app/controllers/seminars_controller.rb
@@ -160,6 +160,8 @@ class SeminarsController < ApplicationController
         "time_now" => time_now
       }
       @_request = OrbitHelper.request
+      @custom_slug = "registration"
+      @registration_postfix = ""
       if template_info["main_content"]
         main_content = render_other_method("show_data",template_info["main_content"])
       else
@@ -307,7 +309,7 @@ class SeminarsController < ApplicationController
     seminar = SeminarMain.find_by(uid: params[:uid])
 
     if !seminar.registration_status.blank? && seminar.signup_start_date <= time_now && ( seminar.signup_end_date.nil? ||  seminar.signup_end_date+1 >= time_now )
-      sign_up = ('<a href="'+ OrbitHelper.url_to_show(seminar.to_param) + @registration_postfix.to_s + '" target="_blank">' + t('seminar.signup') + '</a>').html_safe
+      sign_up = ('<a href="'+ (@custom_slug ? OrbitHelper.url_to_show(@custom_slug) : OrbitHelper.url_to_show(seminar.to_param)) + @registration_postfix.to_s + '" target="_blank">' + t('seminar.signup') + '</a>').html_safe
     elsif seminar.registration_status.blank?
       sign_up = t('seminar.sign_up_not_open')
     elsif seminar.signup_start_date > time_now