diff --git a/src/kdefrontend/datasources/ImportDatasetDialog.cpp b/src/kdefrontend/datasources/ImportDatasetDialog.cpp
index 198ceb84a..dfd1cf1c4 100644
--- a/src/kdefrontend/datasources/ImportDatasetDialog.cpp
+++ b/src/kdefrontend/datasources/ImportDatasetDialog.cpp
@@ -1,129 +1,130 @@
 /***************************************************************************
 	File                 : ImportDatasetDialog.cpp
 	Project              : LabPlot
 	Description          : import dataset data dialog
 	--------------------------------------------------------------------
 	Copyright            : (C) 2019 Ferencz Koovacs (kferike98@gmail.com)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
  *  it under the terms of the GNU General Public License as published by   *
  *  the Free Software Foundation; either version 2 of the License, or      *
  *  (at your option) any later version.                                    *
  *                                                                         *
  *  This program is distributed in the hope that it will be useful,        *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  *  GNU General Public License for more details.                           *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 
 #include "ImportDatasetDialog.h"
 #include "ImportDatasetWidget.h"
 #include "backend/datasources/DatasetHandler.h"
 
 #include "QDialogButtonBox"
+#include <QElapsedTimer>
 #include "QProgressBar"
 #include "QPushButton"
 #include "QStatusBar"
 #include "QWindow"
 
 #include "KConfigGroup"
 #include "KSharedConfig"
 #include "KWindowConfig"
 
 /*!
 	\class ImportDatasetDialog
 	\brief Dialog for importing data from a dataset. Embeds \c ImportDatasetWidget and provides the standard buttons.
 
 	\ingroup kdefrontend
  */
 ImportDatasetDialog::ImportDatasetDialog(MainWin* parent) : ImportDialog(parent),
 	m_importDatasetWidget(new ImportDatasetWidget(this)){
 
 	vLayout->addWidget(m_importDatasetWidget);
 	connect(m_importDatasetWidget, &ImportDatasetWidget::datasetSelected, this, &ImportDatasetDialog::checkOkButton);
 	connect(m_importDatasetWidget, &ImportDatasetWidget::datasetDoubleClicked, [this]() {
 		checkOkButton();
 		if(okButton->isEnabled())
 			accept();
 	});
 
 	//dialog buttons
 	QDialogButtonBox* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok |QDialogButtonBox::Cancel);
 	okButton = buttonBox->button(QDialogButtonBox::Ok);
 	okButton->setEnabled(false); //ok is only available if a valid container was selected
 	vLayout->addWidget(buttonBox);
 
 	connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
 	connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
 
 	setWindowTitle(i18nc("@title:window", "Import from Dataset Collection"));
 	create();
 
 	QApplication::processEvents(QEventLoop::AllEvents, 0);
 
 	KConfigGroup conf(KSharedConfig::openConfig(), "ImportDatasetDialog");
 	if (conf.exists()) {
 		KWindowConfig::restoreWindowSize(windowHandle(), conf);
 		resize(windowHandle()->size());
 	} else {
 		resize(QSize(0, 0).expandedTo(minimumSize()));
 	}
 
 	checkOkButton();
 }
 
 ImportDatasetDialog::~ImportDatasetDialog() {
 	KConfigGroup conf(KSharedConfig::openConfig(), "ImportDatasetDialog");
 	KWindowConfig::saveWindowSize(windowHandle(), conf);
 }
 
 QString ImportDatasetDialog::selectedObject() const {
 	return QString();
 }
 
 /*!
   triggers the import of a dataset's data
 */
 void ImportDatasetDialog::importToDataset(DatasetHandler* datasetHandler, QStatusBar* statusBar) const {
 	//show a progress bar in the status bar
 	auto* progressBar = new QProgressBar();
 	progressBar->setRange(0, 100);
 	connect(datasetHandler, &DatasetHandler::downloadProgress, progressBar, &QProgressBar::setValue);
 
 	statusBar->clearMessage();
 	statusBar->addWidget(progressBar, 1);
 
 	WAIT_CURSOR;
 	QApplication::processEvents(QEventLoop::AllEvents, 100);
 
-	QTime timer;
+	QElapsedTimer timer;
 	timer.start();
 
 	m_importDatasetWidget->import(datasetHandler);
 
 	statusBar->showMessage(i18n("Dataset imported in %1 seconds.", static_cast<float>(timer.elapsed()/1000)));
 	RESET_CURSOR;
 	statusBar->removeWidget(progressBar);
 }
 
 /**
  * @brief Checks whether the OK button of the dialog can be pressed or not
  */
 void ImportDatasetDialog::checkOkButton() {
 	bool enable = (!m_importDatasetWidget->getSelectedDataset().isEmpty());
 	okButton->setEnabled(enable);
 }
 
 void ImportDatasetDialog::importTo(QStatusBar* statusBar) const {
 	Q_UNUSED(statusBar);
 }
diff --git a/src/kdefrontend/ui/datasources/importdatasetwidget.ui b/src/kdefrontend/ui/datasources/importdatasetwidget.ui
index 5f5cac68d..5e30c0d00 100644
--- a/src/kdefrontend/ui/datasources/importdatasetwidget.ui
+++ b/src/kdefrontend/ui/datasources/importdatasetwidget.ui
@@ -1,181 +1,181 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>ImportDatasetWidget</class>
  <widget class="QWidget" name="ImportDatasetWidget">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>919</width>
     <height>757</height>
    </rect>
   </property>
   <property name="sizePolicy">
    <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
     <widget class="QLabel" name="lCollections">
      <property name="text">
       <string>Collection:</string>
      </property>
     </widget>
    </item>
    <item row="0" column="4" rowspan="3">
     <widget class="QScrollArea" name="saDetails">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
      <property name="horizontalScrollBarPolicy">
       <enum>Qt::ScrollBarAlwaysOff</enum>
      </property>
      <property name="widgetResizable">
       <bool>true</bool>
      </property>
      <widget class="QWidget" name="scrollAreaWidgetContents">
       <property name="geometry">
        <rect>
         <x>0</x>
         <y>0</y>
         <width>239</width>
         <height>741</height>
        </rect>
       </property>
       <property name="sizePolicy">
        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
         <horstretch>0</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
       </property>
       <layout class="QGridLayout" name="gridLayout_3">
        <item row="0" column="0">
         <widget class="QLabel" name="lInfo">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string/>
          </property>
          <property name="textFormat">
           <enum>Qt::RichText</enum>
          </property>
          <property name="alignment">
           <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
          </property>
          <property name="wordWrap">
           <bool>true</bool>
          </property>
         </widget>
        </item>
       </layout>
      </widget>
     </widget>
    </item>
    <item row="1" column="0">
     <widget class="QLabel" name="lCategories">
      <property name="text">
       <string>Dataset:</string>
      </property>
      <property name="alignment">
       <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
      </property>
     </widget>
    </item>
    <item row="1" column="1">
     <widget class="QTreeWidget" name="twCategories">
      <property name="sizePolicy">
-      <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+      <sizepolicy hsizetype="Minimum" vsizetype="MinimumExpanding">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
      <column>
       <property name="text">
        <string>Categories</string>
       </property>
      </column>
     </widget>
    </item>
    <item row="1" column="2">
     <spacer name="horizontalSpacer">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="sizeType">
       <enum>QSizePolicy::Fixed</enum>
      </property>
      <property name="sizeHint" stdset="0">
       <size>
        <width>20</width>
        <height>20</height>
       </size>
      </property>
     </spacer>
    </item>
    <item row="1" column="3">
     <widget class="QListWidget" name="lwDatasets">
      <property name="sizePolicy">
-      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Minimum">
+      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
     </widget>
    </item>
    <item row="2" column="1" colspan="3">
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QLabel" name="lSearch">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
          <horstretch>0</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
        </property>
        <property name="text">
         <string/>
        </property>
       </widget>
      </item>
      <item>
       <widget class="QLineEdit" name="leSearch">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
          <horstretch>0</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
        </property>
        <property name="clearButtonEnabled">
         <bool>true</bool>
        </property>
       </widget>
      </item>
     </layout>
    </item>
    <item row="0" column="1" colspan="3">
     <widget class="QComboBox" name="cbCollections"/>
    </item>
   </layout>
  </widget>
  <tabstops>
   <tabstop>cbCollections</tabstop>
   <tabstop>twCategories</tabstop>
   <tabstop>lwDatasets</tabstop>
   <tabstop>leSearch</tabstop>
   <tabstop>saDetails</tabstop>
  </tabstops>
  <resources/>
  <connections/>
 </ui>