diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 32fbd9b..da5635f 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -118,6 +118,9 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb,
 	if (!xo)
 		return ERR_PTR(-EINVAL);
 
+	if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP))
+		return ERR_PTR(-EINVAL);
+
 	x = skb->sp->xvec[skb->sp->len - 1];
 	aead = x->data;
 	esph = ip_esp_hdr(skb);