diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
index 7ddb36ab933..7386bfa4f4b 100644
--- a/arch/x86/include/asm/apicdef.h
+++ b/arch/x86/include/asm/apicdef.h
@@ -8,7 +8,8 @@
  * Ingo Molnar <mingo@redhat.com>, 1999, 2000
  */
 
-#define	APIC_DEFAULT_PHYS_BASE	0xfee00000
+#define IO_APIC_DEFAULT_PHYS_BASE	0xfec00000
+#define	APIC_DEFAULT_PHYS_BASE		0xfee00000
 
 #define	APIC_ID		0x20
 
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 651c93b2886..fcd513bf284 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -482,11 +482,11 @@ static void __init construct_ioapic_table(int mpc_default_type)
 		MP_bus_info(&bus);
 	}
 
-	ioapic.type = MP_IOAPIC;
-	ioapic.apicid = 2;
-	ioapic.apicver = mpc_default_type > 4 ? 0x10 : 0x01;
-	ioapic.flags = MPC_APIC_USABLE;
-	ioapic.apicaddr = 0xFEC00000;
+	ioapic.type	= MP_IOAPIC;
+	ioapic.apicid	= 2;
+	ioapic.apicver	= mpc_default_type > 4 ? 0x10 : 0x01;
+	ioapic.flags	= MPC_APIC_USABLE;
+	ioapic.apicaddr	= IO_APIC_DEFAULT_PHYS_BASE;
 	MP_ioapic_info(&ioapic);
 
 	/*