diff --git a/extension.driver.php b/extension.driver.php
index 39d89d3..9775918 100644
--- a/extension.driver.php
+++ b/extension.driver.php
@@ -5,7 +5,7 @@
 class Extension_Remote_Datasource extends Extension
 {
 
-    private static $provides = array();
+    protected static $provides = array();
 
     public static function registerProviders()
     {