diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index b865ce6e94f2..175d6045d36b 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_PM)		+= suspend.o
 obj-$(CONFIG_HIBERNATION)	+= suspend_asm.o
 obj-$(CONFIG_CPU_FREQ)		+= ../../i386/kernel/cpu/cpufreq/
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
-obj-$(CONFIG_IOMMU)		+= pci-gart.o aperture.o
+obj-$(CONFIG_IOMMU)		+= pci-gart.o aperture_64.o
 obj-$(CONFIG_CALGARY_IOMMU)	+= pci-calgary.o tce.o
 obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture_64.c
similarity index 100%
rename from arch/x86_64/kernel/aperture.c
rename to arch/x86_64/kernel/aperture_64.c