diff --git a/keyboards/wuque/mammoth20x/keymaps/via/keymap.c b/keyboards/wuque/mammoth20x/keymaps/via/keymap.c
index c8f7c1bb..e5fe34fd 100644
--- a/keyboards/wuque/mammoth20x/keymaps/via/keymap.c
+++ b/keyboards/wuque/mammoth20x/keymaps/via/keymap.c
@@ -18,8 +18,8 @@
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     [0] = LAYOUT(
-        KC_ESC,  KC_PAUS, KC_DEL,  KC_VOLU, KC_MUTE, KC_VOLD,
-        KC_LNUM, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_ESC,  KC_PAUS, KC_DEL,  KC_VOLD, KC_MUTE, KC_VOLU,
+        KC_NUM,  KC_PSLS, KC_PAST, KC_PMNS,
         KC_P7,   KC_P8,   KC_P9,
         KC_P4,   KC_P5,   KC_P6,   KC_PPLS,
         KC_P1,   KC_P2,   KC_P3,