diff --git a/Library/Homebrew/dev-cmd/bump-cask-pr.rb b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
index 7b9294d092..2691700856 100644
--- a/Library/Homebrew/dev-cmd/bump-cask-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
@@ -153,7 +153,7 @@ module Homebrew
       end
     end
 
-    if new_hash.present? && cask.language.blank?
+    if new_hash.present? && cask.language.blank? # avoid repeated replacement for multilanguage cask
       hash_regex = old_hash == :no_check ? ":no_check" : "[\"']#{Regexp.escape(old_hash.to_s)}[\"']"
 
       replacement_pairs << [