diff --git a/sources/Browsers/BrowserAbstract.php b/sources/Browsers/BrowserAbstract.php
index 6d4334b..ee79c4e 100644
--- a/sources/Browsers/BrowserAbstract.php
+++ b/sources/Browsers/BrowserAbstract.php
@@ -6,7 +6,7 @@ namespace VK\Browsers;
 
 abstract class BrowserAbstract
 {
-    abstract public static function post($method, $params);
+    abstract public static function post($method, $params = []);
     abstract public static function getToken($url);
     abstract protected static function checkSSL($domain);
 }