--- a/drivers/net/rtl819x/Makefile
+++ b/drivers/net/rtl819x/Makefile
@@ -11,7 +11,7 @@
 #obj-y := mmap.o
 
 DIR_RTLASIC = $(DIR_LINUX)/drivers/net/rtl819x/
-EXTRA_CFLAGS += -DCONFIG_RTL865X_MODULE_INTERNAL
+EXTRA_CFLAGS += -DCONFIG_RTL865X_MODULE_INTERNAL -I$(TOPDIR)/arch/rlx
 
 #obj-y := rtl_glue.o
 #Add mips16 Support