diff --git a/Library/brew.rb b/Library/brew.rb
index 8438533359..4235807564 100755
--- a/Library/brew.rb
+++ b/Library/brew.rb
@@ -82,7 +82,7 @@ begin
              }
 
   empty_argv = ARGV.empty?
-  help_regex = /(-h$|--help$|--usage$|-\?$|help$)/
+  help_regex = /(-h$|--help$|--usage$|-\?$|^help$)/
   help_flag = false
   cmd = nil