diff --git a/Library/Homebrew/cmd/readall.rb b/Library/Homebrew/cmd/readall.rb
index 440709ec21..513a9b7c21 100644
--- a/Library/Homebrew/cmd/readall.rb
+++ b/Library/Homebrew/cmd/readall.rb
@@ -31,7 +31,7 @@ module Homebrew
     end
 
     formulae = []
-    if ARGV.empty?
+    if ARGV.named.empty?
       formulae = Formula.names
     else
       user, repo = tap_args