diff --git a/CSRedis/Internal/IO/RedisSocket.cs b/CSRedis/Internal/IO/RedisSocket.cs
index 4017bef..326c20f 100644
--- a/CSRedis/Internal/IO/RedisSocket.cs
+++ b/CSRedis/Internal/IO/RedisSocket.cs
@@ -64,7 +64,8 @@ public Stream GetStream()
 
         public void Dispose()
         {
-            _socket.Dispose();
+            if (_socket != null)
+                _socket.Dispose();
         }
 
         void InitSocket(EndPoint endpoint)