diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 13b611e..1f5c7a5 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -58,8 +58,7 @@
 obj-$(CONFIG_ACPI_SBS)		+= sbshc.o
 obj-$(CONFIG_ACPI_SBS)		+= sbs.o
 
-processor-objs	+= processor_core.o processor_throttling.o \
-				processor_idle.o processor_thermal.o
-ifdef CONFIG_CPU_FREQ
-processor-objs	+= processor_perflib.o
-endif
+# processor has its own "processor." module_param namespace
+processor-y			:= processor_core.o processor_throttling.o
+processor-y			+= processor_idle.o processor_thermal.o
+processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o