diff --git a/Applications/ExtApp/ExtApp.cpp b/Applications/ExtApp/ExtApp.cpp
index 3bf2a0ffc5..ba75c34645 100644
--- a/Applications/ExtApp/ExtApp.cpp
+++ b/Applications/ExtApp/ExtApp.cpp
@@ -1,116 +1,116 @@
 /*===================================================================
 
 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 <application/berryStarter.h>
 #include <Poco/Util/MapConfiguration.h>
 
 #include <QApplication>
 #include <QMessageBox>
 #include <QtSingleApplication>
 
 class QtSafeApplication : public QtSingleApplication
 {
 
 public:
 
   QtSafeApplication(int& argc, char** argv) : QtSingleApplication(argc, argv)
   {}
 
   /**
    * Reimplement notify to catch unhandled exceptions and open an error message.
    *
    * @param receiver
    * @param event
    * @return
    */
   bool notify(QObject* receiver, QEvent* event)
   {
     QString msg;
     try
     {
       return QApplication::notify(receiver, event);
     }
     catch (Poco::Exception& e)
     {
       msg = QString::fromStdString(e.displayText());
     }
     catch (std::exception& e)
     {
       msg = e.what();
     }
     catch (...)
     {
       msg = "Unknown exception";
     }
 
     QString text("An error occurred. You should save all data and quit the program to "
                  "prevent possible data loss.\nSee the error log for details.\n\n");
     text += msg;
 
     QMessageBox::critical(0, "Error", text);
     return false;
   }
 
 };
 
 
 int main(int argc, char** argv)
 {
   // Create a QApplication instance first
   QtSafeApplication qSafeApp(argc, argv);
   qSafeApp.setApplicationName("ExtApp");
   qSafeApp.setOrganizationName("DKFZ");
 
   // This function checks if an instance is already running
   // and either sends a message to it (containing the command
   // line arguments) or checks if a new instance was forced by
   // providing the BlueBerry.newInstance command line argument.
   // In the latter case, a path to a temporary directory for
   // the new application's storage directory is returned.
   QString storageDir = handleNewAppInstance(&qSafeApp, argc, argv, "BlueBerry.newInstance");
 
   // These paths replace the .ini file and are tailored for installation
   // packages created with CPack. If a .ini file is presented, it will
   // overwrite the settings in MapConfiguration
   Poco::Path basePath(argv[0]);
   basePath.setFileName("");
   
   Poco::Path provFile(basePath);
   provFile.setFileName("ExtApp.provisioning");
 
   Poco::Path extPath(basePath);
   extPath.pushDirectory("ExtBundles");
 
   std::string pluginDirs = extPath.toString();
 
   Poco::Util::MapConfiguration* extConfig(new Poco::Util::MapConfiguration());
   if (!storageDir.isEmpty())
   {
     extConfig->setString(berry::Platform::ARG_STORAGE_DIR, storageDir.toStdString());
   }
   extConfig->setString(berry::Platform::ARG_PLUGIN_DIRS, pluginDirs);
   extConfig->setString(berry::Platform::ARG_PROVISIONING, provFile.toString());
   extConfig->setString(berry::Platform::ARG_APPLICATION, "org.mitk.qt.extapplication");
 
   // Preload the org.mitk.gui.qt.ext plug-in (and hence also QmitkExt) to speed
   // up a clean-cache start. This also works around bugs in older gcc and glibc implementations,
   // which have difficulties with multiple dynamic opening and closing of shared libraries with
   // many global static initializers. It also helps if dependent libraries have weird static
   // initialization methods and/or missing de-initialization code.
-  extConfig->setString(berry::Platform::ARG_PRELOAD_LIBRARY, "liborg_mitk_gui_qt_ext");
+  extConfig->setString(berry::Platform::ARG_PRELOAD_LIBRARY, "liborg_mitk_gui_qt_ext,libCTKDICOMCore");
 
   return berry::Starter::Run(argc, argv, extConfig);
 }