diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
index 91d3600b63..c6478f1cba 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
@@ -29,6 +29,7 @@ CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MM_REGIONS=4
 CONFIG_NSH_ARCHINIT=y