diff --git a/nuttx/configs/px4fmu/nsh/defconfig b/nuttx/configs/px4fmu/nsh/defconfig
index fd783dec5d..5a54e350cb 100755
--- a/nuttx/configs/px4fmu/nsh/defconfig
+++ b/nuttx/configs/px4fmu/nsh/defconfig
@@ -246,6 +246,7 @@ CONFIG_AT24XX_MTD_BLOCKSIZE=256
 #
 CONFIG_SERIAL_TERMIOS=y
 CONFIG_SERIAL_CONSOLE_REINIT=y
+CONFIG_STANDARD_SERIAL=y
 
 CONFIG_USART1_SERIAL_CONSOLE=y
 CONFIG_USART2_SERIAL_CONSOLE=n
diff --git a/nuttx/configs/px4io/io/defconfig b/nuttx/configs/px4io/io/defconfig
index 30ec5be089..1185813dbc 100755
--- a/nuttx/configs/px4io/io/defconfig
+++ b/nuttx/configs/px4io/io/defconfig
@@ -159,6 +159,7 @@ CONFIG_STM32_ADC3=n
 # CONFIG_USARTn_2STOP - Two stop bits
 #
 CONFIG_SERIAL_TERMIOS=y
+CONFIG_STANDARD_SERIAL=y
 
 CONFIG_USART1_SERIAL_CONSOLE=y
 CONFIG_USART2_SERIAL_CONSOLE=n