diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6faf1d6ad9dd2c258c831b73c751c5f5cad4f650..9b52e42e581b21cd3fb5574e46bf1a90948b028e 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -181,6 +181,7 @@ CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)
 CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)
 CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8)
 CFLAGS-$(CONFIG_POWER9_CPU) += $(call cc-option,-mcpu=power9)
+CFLAGS-$(CONFIG_PPC_8xx) += $(call cc-option,-mcpu=860)
 
 # Altivec option not allowed with e500mc64 in GCC.
 ifeq ($(CONFIG_ALTIVEC),y)