diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index d364df03c1d6..bb1eef62d8f0 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -109,7 +109,7 @@ obj-$(CONFIG_MICROCODE)			+= microcode.o
 
 obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
 
-obj-$(CONFIG_SWIOTLB)			+= pci-swiotlb_64.o # NB rename without _64
+obj-$(CONFIG_SWIOTLB)			+= pci-swiotlb.o
 
 ###
 # 64 bit specific files
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb.c
similarity index 100%
rename from arch/x86/kernel/pci-swiotlb_64.c
rename to arch/x86/kernel/pci-swiotlb.c