diff --git a/app/controllers/seminars_controller.rb b/app/controllers/seminars_controller.rb
index 8e7659f..caa4fd8 100644
--- a/app/controllers/seminars_controller.rb
+++ b/app/controllers/seminars_controller.rb
@@ -433,6 +433,7 @@ class SeminarsController < ApplicationController
   end
 
   def create
+    OrbitHelper.set_page(nil)
     referer_url = request.referer
     if referer_url
       params[:url] = URI.parse(referer_url).path.sub(/\/[^\/]*$/, '').sub(/^\/#{I18n.locale}/, '')
@@ -541,6 +542,11 @@ class SeminarsController < ApplicationController
   end
 
   def update_signup_form
+    OrbitHelper.set_page(nil)
+    referer_url = request.referer
+    if referer_url
+      params[:url] = URI.parse(referer_url).path.sub(/\/[^\/]*$/, '').sub(/^\/#{I18n.locale}/, '')
+    end
     params = OrbitHelper.params
     tmp_seminar_signup_params = seminar_signup_params
     @seminar_signup = SeminarSignup.find(params[:signup_id])