diff --git a/application/core/PlausiIssueProducer_Controller.php b/application/core/PlausiIssueProducer_Controller.php
index b12f2481d..e6d47297c 100644
--- a/application/core/PlausiIssueProducer_Controller.php
+++ b/application/core/PlausiIssueProducer_Controller.php
@@ -11,7 +11,10 @@ abstract class PlausiIssueProducer_Controller extends JOB_Controller
 	{
 		parent::__construct();
 
-		$this->load->library('issues/PlausicheckProducerLib');
+		// pass extension name if calling from extension
+		$extensionName = isset($this->_extensionName) ? $this->_extensionName : null;
+
+		$this->load->library('issues/PlausicheckProducerLib', array('extensionName' => $extensionName));
 		$this->load->library('IssuesLib');
 	}
 
diff --git a/application/libraries/issues/PlausicheckProducerLib.php b/application/libraries/issues/PlausicheckProducerLib.php
index 3297ecd1d..2f3e03f04 100644
--- a/application/libraries/issues/PlausicheckProducerLib.php
+++ b/application/libraries/issues/PlausicheckProducerLib.php
@@ -12,9 +12,13 @@ class PlausicheckProducerLib
 
 	private $_ci; // ci instance
 	private $_currentStudiensemester; // current Studiensemester
+	private $_extensionName;
 
-	public function __construct()
+	public function __construct($params = null)
 	{
+		// set extension name if called from extension
+		if (isset($params['extensionName'])) $this->_extensionName = $params['extensionName'];
+
 		$this->_ci =& get_instance(); // get ci instance
 
 		// load models