diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index e717a324bd8a..e290dfa84004 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -7,7 +7,7 @@ EXTRA_AFLAGS	:= -traditional
 obj-y	:= process.o signal.o entry.o traps_64.o irq.o \
 		ptrace.o time.o ioport.o ldt.o setup.o i8259_64.o sys_x86_64.o \
 		x8664_ksyms.o i387.o syscall.o vsyscall.o \
-		setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o \
+		setup64.o bootflag.o e820_64.o reboot.o quirks.o i8237.o \
 		pci-dma_64.o pci-nommu.o alternative.o hpet_64.o tsc.o bugs.o \
 		perfctr-watchdog.o
 
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820_64.c
similarity index 100%
rename from arch/x86_64/kernel/e820.c
rename to arch/x86_64/kernel/e820_64.c