diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index fdc62a4586492c35783c2fd050778ce58207af7c..6a29af5cd3573a6a95bb55fc802469d12e1bd187 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -807,7 +807,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
 
 		skb_shinfo(skb)->gso_size = cork->gso_size;
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
-		skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(len - sizeof(uh),
+		skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(len - sizeof(*uh),
 							 cork->gso_size);
 		goto csum_partial;
 	}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 2f8eedbc512887b2a22bd80745d402a5740016a9..c47f065be5684f1a297e08f601d1d2b22d5c771d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1081,6 +1081,8 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
 
 		skb_shinfo(skb)->gso_size = cork->gso_size;
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
+		skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(len - sizeof(*uh),
+							 cork->gso_size);
 		goto csum_partial;
 	}