diff --git a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/files/machine.cfg b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/files/machine.cfg
index d560784b56..3fa4ed0b7f 100644
--- a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/files/machine.cfg
+++ b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/files/machine.cfg
@@ -1 +1,3 @@
-# yocto-bsp-filename {{=machine}}.cfg
\ No newline at end of file
+# yocto-bsp-filename {{=machine}}.cfg
+{{ if qemuarch == "i386": }}
+# CONFIG_64BIT is not set