diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 5aadea3093bc..c6c9eb25f873 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -31,7 +31,7 @@ obj-$(CONFIG_CPU_FREQ)		+= ../../i386/kernel/cpu/cpufreq/
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_IOMMU)		+= pci-gart.o aperture_64.o
 obj-$(CONFIG_CALGARY_IOMMU)	+= pci-calgary_64.o tce_64.o
-obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb.o
+obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb_64.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer.o
 obj-$(CONFIG_X86_VSMP)		+= vsmp.o
diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb_64.c
similarity index 100%
rename from arch/x86_64/kernel/pci-swiotlb.c
rename to arch/x86_64/kernel/pci-swiotlb_64.c