diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 9da609b..3a4470d 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -144,4 +144,8 @@
 	default y if RISCV_SMODE
 	depends on SMP
 
+config STACK_SIZE_SHIFT
+	int
+	default 13
+
 endmenu