diff --git a/net/core/filter.c b/net/core/filter.c
index 297f0ae9dc1f..50775c01c456 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3326,10 +3326,11 @@ static int bpf_skb_net_hdr_pop(struct sk_buff *skb, u32 off, u32 len)
 static int bpf_skb_proto_4_to_6(struct sk_buff *skb)
 {
 	const u32 len_diff = sizeof(struct ipv6hdr) - sizeof(struct iphdr);
+	const u8 meta_len = skb_metadata_len(skb);
 	u32 off = skb_mac_header_len(skb);
 	int ret;
 
-	ret = skb_cow(skb, len_diff);
+	ret = skb_cow(skb, meta_len + len_diff);
 	if (unlikely(ret < 0))
 		return ret;