diff --git a/main.go b/main.go
index 1a3c6c9..10029ff 100644
--- a/main.go
+++ b/main.go
@@ -39,7 +39,7 @@ var (
 	lastOwnTDMsg     time.Time
 	lastOwnTDMsgMux  sync.Mutex
 	lastChatTDMsg    map[int64]time.Time
-	lastChatTDMsgMux map[int64]sync.Mutex
+	lastChatTDMsgMux map[int64]*sync.Mutex
 	lastChatMsgMux   sync.RWMutex
 	MQCWMsgQueue     chan ChatWarsMessage
 	MQTGCmdQueue     chan TGCommand