diff --git a/keyboards/bdn9/config.h b/keyboards/bdn9/config.h
index 3fc92a062e9..1d006237522 100644
--- a/keyboards/bdn9/config.h
+++ b/keyboards/bdn9/config.h
@@ -50,7 +50,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define RGB_DI_PIN D3
 #ifdef RGB_DI_PIN
-  #define RGBLED_NUM 3
+  #define RGBLED_NUM 4
   #define RGBLIGHT_HUE_STEP 8
   #define RGBLIGHT_SAT_STEP 8
   #define RGBLIGHT_VAL_STEP 8
diff --git a/keyboards/bdn9/keymaps/default/keymap.c b/keyboards/bdn9/keymaps/default/keymap.c
index 66b9a3eb674..3bab86ae546 100644
--- a/keyboards/bdn9/keymaps/default/keymap.c
+++ b/keyboards/bdn9/keymaps/default/keymap.c
@@ -17,25 +17,30 @@
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     [0] = LAYOUT(
-        KC_A,    KC_B,    KC_C, \
-        BL_STEP, KC_UP,   RGB_MOD, \
+        KC_MUTE, KC_HOME,   KC_MPLY, \
+        MO(1),   KC_UP,   RGB_MOD, \
         KC_LEFT, KC_DOWN, KC_RGHT \
     ),
+    [1] = LAYOUT(
+        RESET,   BL_STEP, KC_STOP, \
+        _______, KC_HOME, RGB_MOD, \
+        KC_MPRV, KC_END,  KC_MNXT \
+    ),
 };
 
 void encoder_update_user(uint8_t index, bool clockwise) {
     if (index == 0) {
+        if (clockwise) {
+            tap_code(KC_VOLU);
+        } else {
+            tap_code(KC_VOLD);
+        }
+    }
+    else if (index == 1) {
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
             tap_code(KC_PGUP);
         }
     }
-    else if (index == 1) {
-        if (clockwise) {
-            tap_code(KC_DOWN);
-        } else {
-            tap_code(KC_UP);
-        }
-    }
 }