From 35bc3515649192bd98a12f4b80aa591e283aefed Mon Sep 17 00:00:00 2001
From: Sergei Maklagin <sergeimaklagin7@gmail.com>
Date: Mon, 2 Mar 2026 19:48:06 +0300
Subject: [PATCH] Fix failover

---
 protocol/group/failover.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/protocol/group/failover.go b/protocol/group/failover.go
index 55ff0082..c0362163 100644
--- a/protocol/group/failover.go
+++ b/protocol/group/failover.go
@@ -100,6 +100,9 @@ func (s *Failover) ListenPacket(ctx context.Context, destination M.Socksaddr) (n
 			s.logger.ErrorContext(ctx, err)
 			continue
 		}
+		s.mtx.Lock()
+		defer s.mtx.Unlock()
+		s.lastUsedOutbound = outbound.Tag()
 		return conn, nil
 	}
 	return nil, err