diff --git a/sock/SocketClient.php b/sock/SocketClient.php
index bb0fe9b..22491d4 100644
--- a/sock/SocketClient.php
+++ b/sock/SocketClient.php
@@ -38,7 +38,7 @@ public function getPort() {
 	}
 	
 	public function close() {
-		socket_shutdown( $this->connection, 0);
+		socket_shutdown( $this->connection );
 		socket_close( $this->connection );
 	}
-}
\ No newline at end of file
+}