diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index d747e30..f2d6b78 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -477,7 +477,7 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 		size -= bytes;
 
 		/* Next frame */
-		if (offset == PAGE_SIZE) {
+		if (offset == PAGE_SIZE && size) {
 			BUG_ON(!PageCompound(page));
 			page++;
 			offset = 0;