diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 175d6045d36b..89a62b75dca4 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -22,7 +22,7 @@ obj-$(CONFIG_MICROCODE)		+= microcode.o
 obj-$(CONFIG_X86_CPUID)		+= cpuid.o
 obj-$(CONFIG_SMP)		+= smp.o smpboot.o trampoline.o tsc_sync.o
 obj-y				+= apic.o  nmi.o
-obj-y				+= io_apic.o mpparse.o genapic.o genapic_flat.o
+obj-y				+= io_apic_64.o mpparse.o genapic.o genapic_flat.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= suspend.o
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic_64.c
similarity index 100%
rename from arch/x86_64/kernel/io_apic.c
rename to arch/x86_64/kernel/io_apic_64.c