diff --git a/Modules/Chart/src/QmitkChartxyData.cpp b/Modules/Chart/src/QmitkChartxyData.cpp
index 9a52ec161b..e01acedd60 100644
--- a/Modules/Chart/src/QmitkChartxyData.cpp
+++ b/Modules/Chart/src/QmitkChartxyData.cpp
@@ -1,41 +1,43 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include <QmitkChartxyData.h>
 
 QmitkChartxyData::QmitkChartxyData(const QMap<QVariant, QVariant> &data,
                                    const QVariant &label,
                                    const QVariant &chartType,
                                    const QVariant &position)
   : m_LabelCount(position), m_Label(label), m_ChartType(chartType)
 {
   SetData(data);
 }
 
 void QmitkChartxyData::SetData(const QMap<QVariant, QVariant>& data)
 {
 	for (const auto& entry : data.toStdMap())
 	{
 		m_XData.push_back(entry.first);
 		m_YData.push_back(entry.second);
 	}
+  emit SignalXDataChanged(m_XData);
+  emit SignalYDataChanged(m_YData);
 }
 
 void QmitkChartxyData::ClearData()
 {
   this->m_YData.clear();
   this->m_XData.clear();
 }