diff --git a/Library/Homebrew/cmd/uninstall.rb b/Library/Homebrew/cmd/uninstall.rb
index c5fa22ea1..e679377d4 100644
--- a/Library/Homebrew/cmd/uninstall.rb
+++ b/Library/Homebrew/cmd/uninstall.rb
@@ -92,7 +92,7 @@ module Homebrew
             end
 
             unversioned_name = f.name.gsub(/@.+$/, "")
-            maybe_paths = Dir.glob("#{f.etc}/*#{unversioned_name}*") - paths
+            maybe_paths = Dir.glob("#{f.etc}/*#{unversioned_name}*") - paths.to_a
             if maybe_paths.present?
               puts
               opoo <<~EOS