diff --git a/components/bt/esp_ble_mesh/v1.1/btc/btc_ble_mesh_dfu_model.c b/components/bt/esp_ble_mesh/v1.1/btc/btc_ble_mesh_dfu_model.c
index d60df283f14..b6fe3ecdbd5 100644
--- a/components/bt/esp_ble_mesh/v1.1/btc/btc_ble_mesh_dfu_model.c
+++ b/components/bt/esp_ble_mesh/v1.1/btc/btc_ble_mesh_dfu_model.c
@@ -185,7 +185,7 @@ static void btc_ble_mesh_dfu_client_free_req_data(btc_msg_t *msg)
     }
 
     if (msg->act >= ESP_BLE_MESH_DFU_CLIENT_EVT_MAX) {
-        BT_ERR("%s, Invalid event %d", __func, msg->act);
+        BT_ERR("%s, Invalid event %d", __func__, msg->act);
         return;
     }