diff --git a/samples/bluetooth/tmap_peripheral/src/main.c b/samples/bluetooth/tmap_peripheral/src/main.c
index 3b7c891be64..59aa8c70ef0 100644
--- a/samples/bluetooth/tmap_peripheral/src/main.c
+++ b/samples/bluetooth/tmap_peripheral/src/main.c
@@ -52,7 +52,8 @@ static bool peer_is_ums;
 
 static const struct bt_data ad[] = {
 	BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
-	BT_DATA_BYTES(BT_DATA_GAP_APPEARANCE, 0x09, 0x41), /* Appearance - Earbud */
+	BT_DATA_BYTES(BT_DATA_GAP_APPEARANCE,
+		      BT_BYTES_LIST_LE16(BT_APPEARANCE_WEARABLE_AUDIO_DEVICE_EARBUD)),
 	BT_DATA_BYTES(BT_DATA_UUID16_SOME, BT_UUID_16_ENCODE(BT_UUID_ASCS_VAL),
 		      BT_UUID_16_ENCODE(BT_UUID_CAS_VAL), BT_UUID_16_ENCODE(BT_UUID_TMAS_VAL)),
 #if defined(CONFIG_BT_CSIP_SET_MEMBER)