diff --git a/nuttx-configs/px4fmu-v2/nsh/defconfig b/nuttx-configs/px4fmu-v2/nsh/defconfig
index b068b1de20..839d476daf 100644
--- a/nuttx-configs/px4fmu-v2/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v2/nsh/defconfig
@@ -253,7 +253,7 @@ CONFIG_STM32_JTAG_SW_ENABLE=y
 CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
 # CONFIG_STM32_FORCEPOWER is not set
 # CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is not set
-# CONFIG_STM32_CCMEXCLUDE is not set
+CONFIG_STM32_CCMEXCLUDE=y
 CONFIG_STM32_DMACAPABLE=y
 # CONFIG_STM32_TIM1_PWM is not set
 # CONFIG_STM32_TIM3_PWM is not set