diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index b5b58e9..fc2d4c8 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -110,6 +110,8 @@
 {
 	return (struct ethhdr *)skb->mac.raw;
 }
+
+extern struct ctl_table ether_table[];
 #endif
 
 #endif	/* _LINUX_IF_ETHER_H */