diff --git a/app/controllers/admin/module_tags_controller.rb b/app/controllers/admin/module_tags_controller.rb
index 7a71c39a4..7b04d8143 100644
--- a/app/controllers/admin/module_tags_controller.rb
+++ b/app/controllers/admin/module_tags_controller.rb
@@ -6,6 +6,8 @@ class Admin::ModuleTagsController < OrbitBackendController
   # before_filter :force_order_for_user, except: [:index]
   # before_filter :for_app_sub_manager, except: [:index]
   # ========================================
+  before_filter :setup_vars
+  # ========================================
 
   helper 'admin/tags'
    
diff --git a/app/controllers/admin/tags_controller.rb b/app/controllers/admin/tags_controller.rb
index bbb5a2055..05a2ad982 100644
--- a/app/controllers/admin/tags_controller.rb
+++ b/app/controllers/admin/tags_controller.rb
@@ -1,11 +1,13 @@
 class Admin::TagsController < OrbitBackendController
   include OrbitTag::Merging
-  
+
   # TODO = put back ========================
   # before_filter :force_order_for_visitor, only: [:index]
   # before_filter :force_order_for_user, except: [:index]
   # before_filter :for_app_sub_manager, except: [:index]
   # ========================================
+  before_filter :setup_vars
+  # ========================================
    
   def index
     @tags = @module_app.module_tags
@@ -89,4 +91,11 @@ class Admin::TagsController < OrbitBackendController
     redirect_to admin_tags_url
   end
   
+  protected
+
+  def setup_vars
+    @app_title ||= controller_path.split('/')[1].singularize
+    @module_app ||= ModuleApp.first(conditions: {:key => @app_title} )
+    raise ModuleAppError, 'Can not find ModuleApp' if @module_app.nil?
+  end
 end