diff --git a/duoqin/files/mtk-kpd.kcm b/duoqin/files/mtk-kpd.kcm
index 9bebe97..b0fcb30 100644
--- a/duoqin/files/mtk-kpd.kcm
+++ b/duoqin/files/mtk-kpd.kcm
@@ -1,6 +1,6 @@
 type NUMERIC
 
 key BACK {
-    base:                               fallback BACK
-    fn:                                 fallback HOME
+    base:                               BACK
+    alt:                                HOME
 }
\ No newline at end of file
diff --git a/duoqin/files/mtk-kpd.kl b/duoqin/files/mtk-kpd.kl
index 0345d74..39c1515 100644
--- a/duoqin/files/mtk-kpd.kl
+++ b/duoqin/files/mtk-kpd.kl
@@ -16,7 +16,7 @@ key 108   DPAD_DOWN
 
 key 158   BACK
 
-key 227   STAR
+key 227   ALT
 key 231   CALL
 
 key 352   DPAD_CENTER