diff --git a/Library/Homebrew/cmd/uninstall.rb b/Library/Homebrew/cmd/uninstall.rb
index 22c1f8651b..5637d72c4b 100644
--- a/Library/Homebrew/cmd/uninstall.rb
+++ b/Library/Homebrew/cmd/uninstall.rb
@@ -130,7 +130,7 @@ module Homebrew
     protected
 
     def sample_command
-      "brew uninstall --ignore-dependencies #{Homebrew.args.named.join(" ")}"
+      "brew uninstall --ignore-dependencies #{Array(Homebrew.args.named).join(" ")}"
     end
 
     def are_required_by_deps