diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 2c779275a031..afbbae041d42 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -1247,7 +1247,7 @@ static bool subflow_can_fallback(struct mptcp_subflow_context *subflow)
 	else if (READ_ONCE(msk->csum_enabled))
 		return !subflow->valid_csum_seen;
 	else
-		return !subflow->fully_established;
+		return READ_ONCE(msk->allow_infinite_fallback);
 }
 
 static void mptcp_subflow_fail(struct mptcp_sock *msk, struct sock *ssk)