diff --git a/Library/Homebrew/tap_migrations.rb b/Library/Homebrew/tap_migrations.rb
index dcf56e10a8..741c6cc005 100644
--- a/Library/Homebrew/tap_migrations.rb
+++ b/Library/Homebrew/tap_migrations.rb
@@ -148,6 +148,7 @@ TAP_MIGRATIONS = {
   "viewglob" => "homebrew/x11",
   "wkhtmltopdf" => "homebrew/boneyard",
   "wmctrl" => "homebrew/x11",
+  "x3270" => "homebrew/x11",
   "xchat" => "homebrew/x11",
   "xclip" => "homebrew/x11",
   "xdotool" => "homebrew/x11",