diff --git a/SocketIOClientSwift/SocketIOClient.swift b/SocketIOClientSwift/SocketIOClient.swift
index 2c473fb..7f95fcb 100644
--- a/SocketIOClientSwift/SocketIOClient.swift
+++ b/SocketIOClientSwift/SocketIOClient.swift
@@ -173,6 +173,7 @@ public final class SocketIOClient: NSObject, SocketEngineClient, SocketLogClient
             return
         }
         
+        _connecting = true
         addEngine()
         engine?.open(opts: connectParams)