diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c
index 1d54f7d..5ee4868 100644
--- a/arch/x86/cpu/baytrail/acpi.c
+++ b/arch/x86/cpu/baytrail/acpi.c
@@ -155,7 +155,7 @@
 	current += acpi_create_madt_lapics(current);
 
 	current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
-			2, IO_APIC_ADDR, 0);
+			io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
 
 	current += acpi_create_madt_irq_overrides(current);