diff --git a/mozilla/minimo/chrome/locale/en-US/preferences.dtd b/mozilla/minimo/chrome/locale/en-US/preferences.dtd
new file mode 100644
index 00000000000..f6126fba688
--- /dev/null
+++ b/mozilla/minimo/chrome/locale/en-US/preferences.dtd
@@ -0,0 +1,4 @@
+
+<!-- Toolbar -->
+
+<!ENTITY closeWindow "C">