diff --git a/src/UnixClient.php b/src/UnixClient.php
index 0256d58..c5e0eb7 100644
--- a/src/UnixClient.php
+++ b/src/UnixClient.php
@@ -21,7 +21,7 @@ function __construct(string $unixSock)
                 'package_max_length'    => 1024*1024
             ]
         );
-        $this->client->connect($unixSock,null,3);
+        $this->client->connect($unixSock,0,3);
     }
     function __destruct()
     {
@@ -51,4 +51,4 @@ function recv(float $timeout = 0.1)
             return null;
         }
     }
-}
\ No newline at end of file
+}