diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index 2c85ca92bb1c..72d6e6597add 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -323,9 +323,9 @@ static inline void mptcpv6_handle_mapped(struct sock *sk, bool mapped) { }
 #endif
 
 #if defined(CONFIG_MPTCP) && defined(CONFIG_BPF_SYSCALL)
-struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk);
+struct mptcp_sock *bpf_mptcp_sock_from_sock(struct sock *sk);
 #else
-static inline struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk) { return NULL; }
+static inline struct mptcp_sock *bpf_mptcp_sock_from_sock(struct sock *sk) { return NULL; }
 #endif
 
 #if !IS_ENABLED(CONFIG_MPTCP)
diff --git a/net/core/filter.c b/net/core/filter.c
index a0867c5b32b3..3a910ada9bbc 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -11884,7 +11884,7 @@ const struct bpf_func_proto bpf_skc_to_unix_sock_proto = {
 BPF_CALL_1(bpf_skc_to_mptcp_sock, struct sock *, sk)
 {
 	BTF_TYPE_EMIT(struct mptcp_sock);
-	return (unsigned long)bpf_mptcp_sock_from_subflow(sk);
+	return (unsigned long)bpf_mptcp_sock_from_sock(sk);
 }
 
 const struct bpf_func_proto bpf_skc_to_mptcp_sock_proto = {
diff --git a/net/mptcp/bpf.c b/net/mptcp/bpf.c
index 8a16672b94e2..988b22a06331 100644
--- a/net/mptcp/bpf.c
+++ b/net/mptcp/bpf.c
@@ -12,9 +12,15 @@
 #include <linux/bpf.h>
 #include "protocol.h"
 
-struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk)
+struct mptcp_sock *bpf_mptcp_sock_from_sock(struct sock *sk)
 {
-	if (sk && sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP && sk_is_mptcp(sk))
+	if (unlikely(!sk || !sk_fullsock(sk)))
+		return NULL;
+
+	if (sk->sk_protocol == IPPROTO_MPTCP)
+		return mptcp_sk(sk);
+
+	if (sk->sk_protocol == IPPROTO_TCP && sk_is_mptcp(sk))
 		return mptcp_sk(mptcp_subflow_ctx(sk)->conn);
 
 	return NULL;