diff --git a/boards/arm/stm32f7/nucleo-f746zg/configs/nsh/defconfig b/boards/arm/stm32f7/nucleo-f746zg/configs/nsh/defconfig
index 74d1b0d9005..48313a632d7 100644
--- a/boards/arm/stm32f7/nucleo-f746zg/configs/nsh/defconfig
+++ b/boards/arm/stm32f7/nucleo-f746zg/configs/nsh/defconfig
@@ -44,6 +44,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=30
 CONFIG_START_MONTH=11
 CONFIG_START_YEAR=2015
+CONFIG_STM32F7_DTCMEXCLUDE=y
 CONFIG_STM32F7_SERIALBRK_BSDCOMPAT=y
 CONFIG_STM32F7_SERIAL_DISABLE_REORDERING=y
 CONFIG_STM32F7_USART_BREAKS=y