diff --git a/examples/basic_thread_border_router/sdkconfig.defaults b/examples/basic_thread_border_router/sdkconfig.defaults
index 629bc15..70fdd4c 100644
--- a/examples/basic_thread_border_router/sdkconfig.defaults
+++ b/examples/basic_thread_border_router/sdkconfig.defaults
@@ -46,6 +46,7 @@ CONFIG_OPENTHREAD_ENABLED=y
 CONFIG_OPENTHREAD_BORDER_ROUTER=y
 CONFIG_OPENTHREAD_CLI_OTA=y
 CONFIG_OPENTHREAD_CONSOLE_TYPE_USB_SERIAL_JTAG=y
+CONFIG_OPENTHREAD_RADIO_SPINEL_UART=y
 # end of OpenThread
 
 #