diff --git a/Library/Contributions/cmd/brew-aspell-dictionaries b/Library/Contributions/cmd/brew-aspell-dictionaries
index 61a5e085e5..86ce149048 100755
--- a/Library/Contributions/cmd/brew-aspell-dictionaries
+++ b/Library/Contributions/cmd/brew-aspell-dictionaries
@@ -40,8 +40,10 @@ EOF
 done
 
 cat <<EOF >> $brew_formulae_tmp_file
-def aspell_available_languages
-  %w(${langs})
+class Aspell < Formula
+  def self.available_languages
+    %w(${langs})
+  end
 end
 # END generated with `basename $0`
 EOF