diff --git a/net/key/af_key.c b/net/key/af_key.c
index 43f1ce74187d..ae86d237a456 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1620,6 +1620,7 @@ static int key_notify_sa_flush(struct km_event *c)
 		return -ENOBUFS;
 	hdr = (struct sadb_msg *) skb_put(skb, sizeof(struct sadb_msg));
 	hdr->sadb_msg_satype = pfkey_proto2satype(c->data.proto);
+	hdr->sadb_msg_type = SADB_FLUSH;
 	hdr->sadb_msg_seq = c->seq;
 	hdr->sadb_msg_pid = c->pid;
 	hdr->sadb_msg_version = PF_KEY_V2;
@@ -2385,6 +2386,7 @@ static int key_notify_policy_flush(struct km_event *c)
 	if (!skb_out)
 		return -ENOBUFS;
 	hdr = (struct sadb_msg *) skb_put(skb_out, sizeof(struct sadb_msg));
+	hdr->sadb_msg_type = SADB_X_SPDFLUSH;
 	hdr->sadb_msg_seq = c->seq;
 	hdr->sadb_msg_pid = c->pid;
 	hdr->sadb_msg_version = PF_KEY_V2;