diff --git a/scripts/lib/bsp/substrate/target/arch/i386/recipes-kernel/linux/files/machine.cfg b/scripts/lib/bsp/substrate/target/arch/i386/recipes-kernel/linux/files/machine.cfg
index 3b168b7e36..fe5b8823fb 100644
--- a/scripts/lib/bsp/substrate/target/arch/i386/recipes-kernel/linux/files/machine.cfg
+++ b/scripts/lib/bsp/substrate/target/arch/i386/recipes-kernel/linux/files/machine.cfg
@@ -1,5 +1,8 @@
 # yocto-bsp-filename {{=machine}}.cfg
 CONFIG_X86_32=y
+# Must explicitly disable 64BIT
+# CONFIG_64BIT is not set
+
 CONFIG_MATOM=y
 CONFIG_PRINTK=y