diff --git a/app/controllers/api/v1/apps/credentials_controller.rb b/app/controllers/api/v1/apps/credentials_controller.rb
index 29ab920383..5a4b7a91ae 100644
--- a/app/controllers/api/v1/apps/credentials_controller.rb
+++ b/app/controllers/api/v1/apps/credentials_controller.rb
@@ -1,9 +1,15 @@
 # frozen_string_literal: true
 
 class Api::V1::Apps::CredentialsController < Api::BaseController
-  def show
-    return doorkeeper_render_error unless valid_doorkeeper_token?
+  before_action :verify_doorkeeper_token
 
+  def show
     render json: doorkeeper_token.application, serializer: REST::ApplicationSerializer
   end
+
+  private
+
+  def verify_doorkeeper_token
+    doorkeeper_render_error unless valid_doorkeeper_token?
+  end
 end