diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index fe34bbec1cf0..c24fe95b0d94 100644
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -1,6 +1,6 @@
 obj-y			:= boot.o
 boot-y			:= ../../../i386/kernel/acpi/boot.o
-obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_64.o
+obj-$(CONFIG_ACPI_SLEEP)	+= sleep_64.o wakeup_64.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y			+= processor.o
diff --git a/arch/x86_64/kernel/acpi/sleep.c b/arch/x86_64/kernel/acpi/sleep_64.c
similarity index 100%
rename from arch/x86_64/kernel/acpi/sleep.c
rename to arch/x86_64/kernel/acpi/sleep_64.c