diff --git a/arch/powerpc/cpu/mpc8xxx/Makefile b/arch/powerpc/cpu/mpc8xxx/Makefile
index 95c73be..5dfd65b 100644
--- a/arch/powerpc/cpu/mpc8xxx/Makefile
+++ b/arch/powerpc/cpu/mpc8xxx/Makefile
@@ -16,6 +16,7 @@
 
 COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
 COBJS-$(CONFIG_FSL_LBC) += fsl_lbc.o
+COBJS-$(CONFIG_SYS_SRIO) += srio.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))