diff --git a/Library/Homebrew/brew.rb b/Library/Homebrew/brew.rb
index 9d29f43962..0244be6212 100644
--- a/Library/Homebrew/brew.rb
+++ b/Library/Homebrew/brew.rb
@@ -107,8 +107,7 @@ begin
       safe_system(*tap_commands)
       exec HOMEBREW_BREW_FILE, cmd, *ARGV
     else
-      onoe "Unknown command: #{cmd}"
-      exit 1
+      odie "Unknown command: #{cmd}"
     end
   end