diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 32f07f8..318a25a 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -532,7 +532,7 @@
 		return;
 
 	ih = (struct iphdr *) ((char *)eh + ETH_HLEN);
-	if (ih->frag_off & htons(IP_MF | IP_OFFSET))
+	if (ip_is_fragment(ih))
 		return;
 
 	proto = ih->protocol;