diff --git a/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.cpp b/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.cpp
index a70166fd04..608d084b78 100644
--- a/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.cpp
+++ b/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.cpp
@@ -1,38 +1,51 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #include <QmitkMultiLabelTreeView.h>
 
 #include <QmitkMultiLabelTreeModel.h>
-#include <QHelpEvent>
-#include <QToolTip>
+#include <QMouseEvent>
 
 QmitkMultiLabelTreeView::QmitkMultiLabelTreeView(QWidget* parent) : QTreeView(parent)
 {
 }
 
 QItemSelectionModel::SelectionFlags QmitkMultiLabelTreeView::selectionCommand(const QModelIndex& index, const QEvent* event) const
 {
   auto value = index.data(QmitkMultiLabelTreeModel::ItemModelRole::LabelInstanceValueRole);
   if (index.column()!=0 || !value.isValid())
   {
     return QItemSelectionModel::NoUpdate;
   }
 
   return   QAbstractItemView::selectionCommand(index, event);
 }
 
 void QmitkMultiLabelTreeView::leaveEvent(QEvent* event)
 {
   QTreeView::leaveEvent(event);
   emit MouseLeave();
-}
\ No newline at end of file
+}
+
+void QmitkMultiLabelTreeView::mouseMoveEvent(QMouseEvent* event)
+{
+  QModelIndex index = this->indexAt(event->pos());
+  if (!index.isValid())
+  {
+    if (viewport()->rect().contains(event->pos()))
+    {
+      emit MouseLeave();
+    }
+  }
+
+  QTreeView::mouseMoveEvent(event);
+}
diff --git a/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.h b/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.h
index b79d7ae90c..7aa5995881 100644
--- a/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.h
+++ b/Modules/SegmentationUI/Qmitk/QmitkMultiLabelTreeView.h
@@ -1,39 +1,40 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef QmitkMultiLabelTreeView_h
 #define QmitkMultiLabelTreeView_h
 
 #include <MitkSegmentationUIExports.h>
 
 #include <QTreeView>
 
 /*
 * @brief This is an inspector that offers a simple list view on a data storage.
 */
 class MITKSEGMENTATIONUI_EXPORT QmitkMultiLabelTreeView : public QTreeView
 {
   Q_OBJECT
 
 public:
   QmitkMultiLabelTreeView(QWidget* parent = nullptr);
 
 Q_SIGNALS:
   void MouseLeave() const;
 
 protected:
   QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex& index, const QEvent* event = nullptr) const override;
 
   void leaveEvent(QEvent* event) override;
+  void mouseMoveEvent(QMouseEvent* event) override;
 };
 
 #endif