diff --git a/boards/arm/cxd56xx/spresense/configs/smp/defconfig b/boards/arm/cxd56xx/spresense/configs/smp/defconfig
index a956e1dd3ef..f6e5492f6ab 100644
--- a/boards/arm/cxd56xx/spresense/configs/smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/smp/defconfig
@@ -12,6 +12,7 @@ CONFIG_ARCH_BOARD="spresense"
 CONFIG_ARCH_BOARD_SPRESENSE=y
 CONFIG_ARCH_CHIP="cxd56xx"
 CONFIG_ARCH_CHIP_CXD56XX=y
+CONFIG_ARCH_INTERRUPTSTACK=2048
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LATE_INITIALIZE=y