diff --git a/boards/holybro/kakutef7/nuttx-config/nsh/defconfig b/boards/holybro/kakutef7/nuttx-config/nsh/defconfig
index b9734ed770..b61b31d2b2 100644
--- a/boards/holybro/kakutef7/nuttx-config/nsh/defconfig
+++ b/boards/holybro/kakutef7/nuttx-config/nsh/defconfig
@@ -29,7 +29,7 @@ CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
 CONFIG_ARCH_CHIP="stm32f7"
 CONFIG_ARCH_CHIP_STM32F745VG=y
 CONFIG_ARCH_CHIP_STM32F7=y
-CONFIG_ARCH_INTERRUPTSTACK=750
+CONFIG_ARCH_INTERRUPTSTACK=512
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARMV7M_BASEPRI_WAR=y
 CONFIG_ARMV7M_DCACHE=y
@@ -142,11 +142,11 @@ CONFIG_RTC_DATETIME=y
 CONFIG_SCHED_ATEXIT=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_HPWORKPRIORITY=249
-CONFIG_SCHED_HPWORKSTACKSIZE=1800
+CONFIG_SCHED_HPWORKSTACKSIZE=1280
 CONFIG_SCHED_INSTRUMENTATION=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_LPWORKPRIORITY=50
-CONFIG_SCHED_LPWORKSTACKSIZE=1800
+CONFIG_SCHED_LPWORKSTACKSIZE=1536
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SEM_NNESTPRIO=8