diff --git a/lib/realtime.ts b/lib/realtime.ts
index c6daaaaa6..d8e90a1b9 100644
--- a/lib/realtime.ts
+++ b/lib/realtime.ts
@@ -947,7 +947,7 @@ function connection (socket) {
 
   // when a new client disconnect
   socket.on('disconnect', function () {
-    if (isDuplicatedInSocketQueue(socket, disconnectSocketQueue)) return
+    if (isDuplicatedInSocketQueue(disconnectSocketQueue, socket)) return
     disconnectSocketQueue.push(socket)
     disconnect(socket)
   })