diff --git a/boards/nxp/fmurt1062-v1/nuttx-config/nsh/defconfig b/boards/nxp/fmurt1062-v1/nuttx-config/nsh/defconfig
index 92d3edeb30..9e1b3de2b0 100644
--- a/boards/nxp/fmurt1062-v1/nuttx-config/nsh/defconfig
+++ b/boards/nxp/fmurt1062-v1/nuttx-config/nsh/defconfig
@@ -107,6 +107,7 @@ CONFIG_IMXRT_LPUART6=y
 CONFIG_IMXRT_LPUART7=y
 CONFIG_IMXRT_LPUART8=y
 CONFIG_IMXRT_LPUART_INVERT=y
+CONFIG_IMXRT_LPUART_SINGLEWIRE=y
 CONFIG_IMXRT_RTC_MAGIC_REG=1
 CONFIG_IMXRT_SNVS_LPSRTC=y
 CONFIG_IMXRT_USDHC1=y
diff --git a/boards/nxp/fmurt1062-v1/src/board_config.h b/boards/nxp/fmurt1062-v1/src/board_config.h
index d20dfd8d0d..aa2dccac41 100644
--- a/boards/nxp/fmurt1062-v1/src/board_config.h
+++ b/boards/nxp/fmurt1062-v1/src/board_config.h
@@ -314,6 +314,7 @@
 #define GPIO_PPM_IN             /* GPIO_B1_06 GPT1_CAPTURE2 */ (GPIO_GPT1_CAPTURE2_2 | GENERAL_INPUT_IOMUX)
 
 #define RC_SERIAL_PORT          "/dev/ttyS5"
+#define RC_SERIAL_SINGLEWIRE
 
 /* PWM input driver. Use FMU AUX5 pins attached to GPIO_EMC_33 GPIO3_IO19 FLEXPWM3_PWMA2 */