diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index 8baf95b1b8..fd96b5f708 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -52,7 +52,7 @@ class Formulary
       end
 
       unless have_klass
-        puts "#{$0}: loading #{path}" if ARGV.debug?
+        puts "#{$0} (#{self.class.name}): loading #{path}" if ARGV.debug?
         begin
           require path
         rescue NoMethodError