diff --git a/arch/x86/power/Makefile b/arch/x86/power/Makefile
index de2abbd0754481d0528ee527077d668d7b3e422b..a6a198c336238f63a2c0962fe2f94212ee6712e2 100644
--- a/arch/x86/power/Makefile
+++ b/arch/x86/power/Makefile
@@ -1,7 +1,7 @@
 # __restore_processor_state() restores %gs after S3 resume and so should not
 # itself be stack-protected
 nostackp := $(call cc-option, -fno-stack-protector)
-CFLAGS_cpu_$(BITS).o	:= $(nostackp)
+CFLAGS_cpu.o	:= $(nostackp)
 
 obj-$(CONFIG_PM_SLEEP)		+= cpu.o
 obj-$(CONFIG_HIBERNATION)	+= hibernate_$(BITS).o hibernate_asm_$(BITS).o