diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 080b9963f1bc1a6f0213a8a59b7ef8898f6d829c..fe34bbec1cf0b8dcf803fd0860f4dffe1ac27ba2 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-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o
+obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_64.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y			+= processor.o
diff --git a/arch/x86_64/kernel/acpi/wakeup.S b/arch/x86_64/kernel/acpi/wakeup_64.S
similarity index 100%
rename from arch/x86_64/kernel/acpi/wakeup.S
rename to arch/x86_64/kernel/acpi/wakeup_64.S