diff --git a/board/Synology/ds109/ds109.c b/board/Synology/ds109/ds109.c
index 1f2fce9..f2031ef 100644
--- a/board/Synology/ds109/ds109.c
+++ b/board/Synology/ds109/ds109.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <miiphy.h>
+#include <net.h>
 #include <asm/setup.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>