diff --git a/app/controllers/pages_controller.rb b/app/controllers/pages_controller.rb
index 3b3f4bb..a23a988 100644
--- a/app/controllers/pages_controller.rb
+++ b/app/controllers/pages_controller.rb
@@ -131,6 +131,17 @@ class PagesController < ApplicationController
     end
   end
 
+  def update_child_pages_url(page)
+    page.child_page.each do |cp|
+      if !cp.child_page.blank?
+        update_child_pages_url(cp)
+      else
+        cp.url = page.url + "/#{cp.page_id}"
+        cp.save
+      end
+    end
+  end
+
   def update_item_position
     @page = Page.find(params[:id])
     new_parent_page = Page.find(params[:parent_id])
@@ -139,6 +150,9 @@ class PagesController < ApplicationController
     if new_parent_page.id != old_parent_page_id
       url = (new_parent_page.url == "/" ? "" : new_parent_page.url)
       @page.url = url + "/#{@page.page_id}"
+      if !@page.child_page.blank?
+        update_child_pages_url(@page)
+      end
     end
     @page.save
     params["children_ids"].each_with_index do |child,i|