diff --git a/boards/mro/ctrl-zero-f7/default.cmake b/boards/mro/ctrl-zero-f7/default.cmake
index 25209d9672e5..cee18f0907e7 100644
--- a/boards/mro/ctrl-zero-f7/default.cmake
+++ b/boards/mro/ctrl-zero-f7/default.cmake
@@ -14,7 +14,7 @@ px4_add_board(
 		TEL2:/dev/ttyS1
 		GPS1:/dev/ttyS2
 		#RC:/dev/ttyS3
-		#CONSOLE:/dev/ttyS4
+		TEL3:/dev/ttyS4
 		#FRSKY:/dev/ttyS5
 	DRIVERS
 		adc/board_adc
diff --git a/boards/mro/ctrl-zero-f7/nuttx-config/nsh/defconfig b/boards/mro/ctrl-zero-f7/nuttx-config/nsh/defconfig
index 6a15a872d066..249a70c50f8b 100644
--- a/boards/mro/ctrl-zero-f7/nuttx-config/nsh/defconfig
+++ b/boards/mro/ctrl-zero-f7/nuttx-config/nsh/defconfig
@@ -206,10 +206,10 @@ CONFIG_UART4_RXDMA=y
 CONFIG_UART4_TXBUFSIZE=1500
 CONFIG_UART7_BAUD=57600
 CONFIG_UART7_RXBUFSIZE=600
-CONFIG_UART7_SERIAL_CONSOLE=y
 CONFIG_UART7_TXBUFSIZE=1500
 CONFIG_UART8_BAUD=57600
 CONFIG_UART8_RXBUFSIZE=600
+CONFIG_UART8_SERIAL_CONSOLE=y
 CONFIG_UART8_TXBUFSIZE=1500
 CONFIG_USART2_BAUD=57600
 CONFIG_USART2_IFLOWCONTROL=y