diff --git a/Library/Homebrew/dev-cmd/contributions.rb b/Library/Homebrew/dev-cmd/contributions.rb
index ed0c0f2ce1..f8c1aebc40 100755
--- a/Library/Homebrew/dev-cmd/contributions.rb
+++ b/Library/Homebrew/dev-cmd/contributions.rb
@@ -104,7 +104,7 @@ module Homebrew
           counts[:commits],
           counts[:coauthorships],
           counts[:signoffs],
-          counts.values.sum
+          counts.values.sum,
         ]
       end
       csv << [user, "*", "*", "*", "*", total(results)]