diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index d80f4cc2e0da..65d90c720b5a 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -19,7 +19,7 @@ obj-y				+= osl.o utils.o reboot.o\
 
 # sleep related files
 obj-y				+= wakeup.o
-obj-y				+= main.o
+obj-y				+= sleep.o
 obj-$(CONFIG_ACPI_SLEEP)	+= proc.o
 
 
diff --git a/drivers/acpi/main.c b/drivers/acpi/sleep.c
similarity index 100%
rename from drivers/acpi/main.c
rename to drivers/acpi/sleep.c