diff --git a/backport/backport-include/linux/netdevice.h b/backport/backport-include/linux/netdevice.h
index f77e3eb..a39bff7 100644
--- a/backport/backport-include/linux/netdevice.h
+++ b/backport/backport-include/linux/netdevice.h
@@ -521,6 +521,7 @@
 #define netdev_notify_peers(dev)
 #elif LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
 #define netdev_notify_peers(dev) netif_notify_peers(dev)
+#define napi_gro_flush(napi, old) napi_gro_flush(napi)
 #endif
 
 #endif /* __BACKPORT_NETDEVICE_H */