diff --git a/duoqin/files/mtk-kpd.kcm b/duoqin/files/mtk-kpd.kcm
index 255df3c..9bebe97 100644
--- a/duoqin/files/mtk-kpd.kcm
+++ b/duoqin/files/mtk-kpd.kcm
@@ -1 +1,6 @@
 type NUMERIC
+
+key BACK {
+    base:                               fallback BACK
+    fn:                                 fallback HOME
+}
\ No newline at end of file