4 files changed, 7 insertions, 6 deletions
diff --git a/vcl/inc/qt5/Qt5Tools.hxx b/vcl/inc/qt5/Qt5Tools.hxx
index 57bf94793955..18b48690377b 100644
--- a/vcl/inc/qt5/Qt5Tools.hxx
+++ b/vcl/inc/qt5/Qt5Tools.hxx
@@ -118,6 +118,8 @@ inline sal_uInt16 getFormatBits(QImage::Format eFormat)
     }
 }
 
+static const QString sInternalMimeType = "application/x-libreoffice-dnditem";
+
 typedef struct _cairo_surface cairo_surface_t;
 struct CairoDeleter
 {
diff --git a/vcl/inc/qt5/Qt5Widget.hxx b/vcl/inc/qt5/Qt5Widget.hxx
index 731498f11d13..3e5332bd77dc 100644
--- a/vcl/inc/qt5/Qt5Widget.hxx
+++ b/vcl/inc/qt5/Qt5Widget.hxx
@@ -66,8 +66,6 @@ class Qt5Widget : public QWidget
     void inputMethodEvent(QInputMethodEvent*) override;
     QVariant inputMethodQuery(Qt::InputMethodQuery) const override;
 
-    const QString m_InternalMimeType = "application/x-libreoffice-dnditem";
-
 public slots:
     static void showTooltip(const OUString& rTip);
 
diff --git a/vcl/qt5/Qt5Frame.cxx b/vcl/qt5/Qt5Frame.cxx
index c687c4a279c3..958d9250c776 100644
--- a/vcl/qt5/Qt5Frame.cxx
+++ b/vcl/qt5/Qt5Frame.cxx
@@ -29,6 +29,7 @@
 #include <Qt5Menu.hxx>
 #include <Qt5DragAndDrop.hxx>
 
+#include <QtCore/QMimeData>
 #include <QtCore/QPoint>
 #include <QtCore/QSize>
 #include <QtGui/QIcon>
@@ -1109,7 +1110,7 @@ void Qt5Frame::draggingStarted(const int x, const int y, const QMimeData* pQMime
     aEvent.SourceActions = css::datatransfer::dnd::DNDConstants::ACTION_MOVE;
 
     css::uno::Reference<css::datatransfer::XTransferable> xTransferable;
-    if (pQMimeData)
+    if (!pQMimeData->hasFormat(sInternalMimeType))
         xTransferable = new Qt5DnDTransferable(pQMimeData);
     else
         xTransferable = Qt5DragSource::m_ActiveDragSource->GetTransferable();
@@ -1141,7 +1142,7 @@ void Qt5Frame::dropping(const int x, const int y, const QMimeData* pQMimeData)
     aEvent.SourceActions = css::datatransfer::dnd::DNDConstants::ACTION_MOVE;
 
     css::uno::Reference<css::datatransfer::XTransferable> xTransferable;
-    if (pQMimeData)
+    if (!pQMimeData->hasFormat(sInternalMimeType))
         xTransferable = new Qt5DnDTransferable(pQMimeData);
     else
         xTransferable = Qt5DragSource::m_ActiveDragSource->GetTransferable();
diff --git a/vcl/qt5/Qt5Widget.cxx b/vcl/qt5/Qt5Widget.cxx
index 2baf7a37125a..ca2c3ada6a3c 100644
--- a/vcl/qt5/Qt5Widget.cxx
+++ b/vcl/qt5/Qt5Widget.cxx
@@ -193,7 +193,7 @@ void Qt5Widget::startDrag()
 {
     // internal drag source
     QMimeData* mimeData = new QMimeData;
-    mimeData->setData(m_InternalMimeType, nullptr);
+    mimeData->setData(sInternalMimeType, nullptr);
 
     QDrag* drag = new QDrag(this);
     drag->setMimeData(mimeData);
@@ -202,7 +202,7 @@ void Qt5Widget::startDrag()
 
 void Qt5Widget::dragEnterEvent(QDragEnterEvent* event)
 {
-    if (event->mimeData()->hasFormat(m_InternalMimeType))
+    if (event->mimeData()->hasFormat(sInternalMimeType))
         event->accept();
     else
         event->acceptProposedAction();