diff --git a/Library/Homebrew/cmd/config.rb b/Library/Homebrew/cmd/config.rb
index 74b4f436e2..9246a2cd32 100644
--- a/Library/Homebrew/cmd/config.rb
+++ b/Library/Homebrew/cmd/config.rb
@@ -137,6 +137,7 @@ module Homebrew
     f.puts "HEAD: #{head}"
     f.puts "Last commit: #{last_commit}"
     f.puts "HOMEBREW_PREFIX: #{HOMEBREW_PREFIX}"
+    f.puts "HOMEBREW_REPOSITORY: #{HOMEBREW_REPOSITORY}"
     f.puts "HOMEBREW_CELLAR: #{HOMEBREW_CELLAR}"
     f.puts "HOMEBREW_BOTTLE_DOMAIN: #{BottleSpecification::DEFAULT_DOMAIN}"
     f.puts hardware