diff --git a/app/models/concerns/discussion_on_diff.rb b/app/models/concerns/discussion_on_diff.rb
index 67b1cace3eb44ba7ceff27df2d9904bdb7b15cb3..8ee42875670c43717d10ae8a6f316c835c0405af 100644
--- a/app/models/concerns/discussion_on_diff.rb
+++ b/app/models/concerns/discussion_on_diff.rb
@@ -2,9 +2,9 @@
 module DiscussionOnDiff
   extend ActiveSupport::Concern
 
-  included do
-    NUMBER_OF_TRUNCATED_DIFF_LINES = 16
+  NUMBER_OF_TRUNCATED_DIFF_LINES = 16
 
+  included do
     delegate  :line_code,
               :original_line_code,
               :diff_file,