diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index aaa3b83..7560476 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -272,6 +272,6 @@
 	default 14
 
 config OF_BOARD_FIXUP
-	default y if OF_SEPARATE
+	default y if OF_SEPARATE && RISCV_SMODE
 
 endmenu