diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index f8897a70c11d48d1787ba2fe48704fcd6ed97215..b568f55998f3ce0aed148db05d31121923eb2e74 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2867,7 +2867,7 @@ static void mptcp_close(struct sock *sk, long timeout)
 	sock_put(sk);
 }
 
-static void mptcp_copy_inaddrs(struct sock *msk, const struct sock *ssk)
+void mptcp_copy_inaddrs(struct sock *msk, const struct sock *ssk)
 {
 #if IS_ENABLED(CONFIG_MPTCP_IPV6)
 	const struct ipv6_pinfo *ssk6 = inet6_sk(ssk);
@@ -3613,7 +3613,6 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock,
 		if (mptcp_is_fully_established(newsk))
 			mptcp_pm_fully_established(msk, msk->first, GFP_KERNEL);
 
-		mptcp_copy_inaddrs(newsk, msk->first);
 		mptcp_rcv_space_init(msk, msk->first);
 		mptcp_propagate_sndbuf(newsk, msk->first);
 
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 8f372b8f059c6f9eb46b92acdad4da51cd72921e..c1eaa1685592124090b32910c1a5fc066d2caab8 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -597,6 +597,7 @@ int mptcp_is_checksum_enabled(const struct net *net);
 int mptcp_allow_join_id0(const struct net *net);
 unsigned int mptcp_stale_loss_cnt(const struct net *net);
 int mptcp_get_pm_type(const struct net *net);
+void mptcp_copy_inaddrs(struct sock *msk, const struct sock *ssk);
 void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow,
 				     struct mptcp_options_received *mp_opt);
 bool __mptcp_retransmit_pending_data(struct sock *sk);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 07dd23d0fe04ac37f4cc66c0c21d4d41f50fb3f4..02a54d59697b51450b61d79f1e77f3fd5523e4fb 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -723,6 +723,8 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
 				goto dispose_child;
 			}
 
+			if (new_msk)
+				mptcp_copy_inaddrs(new_msk, child);
 			subflow_drop_ctx(child);
 			goto out;
 		}
@@ -750,6 +752,11 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
 			ctx->conn = new_msk;
 			new_msk = NULL;
 
+			/* set msk addresses early to ensure mptcp_pm_get_local_id()
+			 * uses the correct data
+			 */
+			mptcp_copy_inaddrs(ctx->conn, child);
+
 			/* with OoO packets we can reach here without ingress
 			 * mpc option
 			 */