diff --git a/games-strategy/warcraft3/metadata.xml b/games-strategy/warcraft3/metadata.xml
index 097975e..df1f787 100644
--- a/games-strategy/warcraft3/metadata.xml
+++ b/games-strategy/warcraft3/metadata.xml
@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
+  <use>
+    <flag name="tft">
+      Installs The Frozen Throne expansion pack. (NOT SUPPORTED YET)
+    </flag>
+  </use>
 </pkgmetadata>