diff --git a/platform/drivers/keyboard/keyboard_ttwrplus.c b/platform/drivers/keyboard/keyboard_ttwrplus.c
index 2a9c181c..760688e3 100644
--- a/platform/drivers/keyboard/keyboard_ttwrplus.c
+++ b/platform/drivers/keyboard/keyboard_ttwrplus.c
@@ -37,7 +37,7 @@ static void gpio_keys_cb_handler(struct input_event *evt)
     switch(evt->code)
     {
         case INPUT_KEY_VOLUMEDOWN:
-            keyCode = KEY_DOWN;
+            keyCode = KEY_MONI;
             break;
 
         case INPUT_BTN_START: