diff --git a/example/a2dp_mitm_demo.c b/example/a2dp_mitm_demo.c
index 8aadbcda7..ed9d75f67 100644
--- a/example/a2dp_mitm_demo.c
+++ b/example/a2dp_mitm_demo.c
@@ -335,7 +335,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
             // inform about pin code request
             printf("Pin code request - using '0000'\n");
             hci_event_pin_code_request_get_bd_addr(packet, event_addr);
-            hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
+            gap_pin_code_response(event_addr, "0000");
             break;
         case HCI_EVENT_CONNECTION_COMPLETE:
             hci_event_connection_complete_get_bd_addr(packet, event_addr);