diff --git a/library/Icinga/Protocol/Statusdat/Reader.php b/library/Icinga/Protocol/Statusdat/Reader.php
index 4e55a69c0..342e09af1 100644
--- a/library/Icinga/Protocol/Statusdat/Reader.php
+++ b/library/Icinga/Protocol/Statusdat/Reader.php
@@ -31,14 +31,14 @@ namespace Icinga\Protocol\Statusdat;
 
 use Icinga\Util\File;
 use Icinga\Logger\Logger;
-use Icinga\Data\DatasourceInterface;
+use Icinga\Data\Selectable;
 use Icinga\Exception\ConfigurationError;
 
 /**
  * Class Reader
  * @package Icinga\Protocol\Statusdat
  */
-class Reader implements IReader, DatasourceInterface
+class Reader implements IReader, Selectable
 {
     /**
      *  The default lifetime of the cache in milliseconds