diff --git a/core/utilities/timeadjust/detbyclockphotobutton.cpp b/core/utilities/timeadjust/detbyclockphotobutton.cpp
index cd147776ea..a59ef74821 100644
--- a/core/utilities/timeadjust/detbyclockphotobutton.cpp
+++ b/core/utilities/timeadjust/detbyclockphotobutton.cpp
@@ -1,54 +1,59 @@
 /* ============================================================
  *
  * This file is a part of the digikam project
  * http://www.digikam.org
  *
  * Date        : 2017-01-01
  * Description : button for choosing time difference photo which accepts drag & drop
  *
  * Copyright (C) 2017 by Markus Leuthold <kusi at forum dot titlis dot org>
  *
  * 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, 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.
  *
  * ============================================================ */
 
 #include "detbyclockphotobutton.h"
 
 // Qt includes
 
 #include <QMimeData>
 
 // local includes
 
 #include "digikam_debug.h"
 
 namespace Digikam
 {
 
 void DetByClockPhotoButton::dragEnterEvent(QDragEnterEvent* event)
 {
     event->acceptProposedAction();
 }
 
+void DetByClockPhotoButton::dragMoveEvent(QDragMoveEvent* event)
+{
+    event->acceptProposedAction();
+}
+
 void DetByClockPhotoButton::dropEvent(QDropEvent* event)
 {
     const QMimeData* const mimeData = event->mimeData();
 
     if (mimeData && mimeData->hasUrls())
     {
         // if user dropped more than one image, take the first one
         QUrl url = mimeData->urls().first();
         qCDebug(DIGIKAM_GENERAL_LOG) << "Dropped clock photo:" << url;
         emit signalClockPhotoDropped(url);
     }
 }
 
 } // namespace Digikam
diff --git a/core/utilities/timeadjust/detbyclockphotobutton.h b/core/utilities/timeadjust/detbyclockphotobutton.h
index 8e9610dbf6..0845196f83 100644
--- a/core/utilities/timeadjust/detbyclockphotobutton.h
+++ b/core/utilities/timeadjust/detbyclockphotobutton.h
@@ -1,56 +1,57 @@
 /* ============================================================
  *
  * This file is a part of the digikam project
  * http://www.digikam.org
  *
  * Date        : 2017-01-01
  * Description : button for choosing time difference photo which accepts drag & drop
  *
  * Copyright (C) 2017 by Markus Leuthold <kusi at forum dot titlis dot org>
  *
  * 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, 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.
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_DET_BY_CLOCK_PHOTO_BUTTON_H
 #define DIGIKAM_DET_BY_CLOCK_PHOTO_BUTTON_H
 
 // Qt includes
 
 #include <QPushButton>
 #include <QDragEnterEvent>
 
 namespace Digikam
 {
 
 class DetByClockPhotoButton : public QPushButton
 {
     Q_OBJECT
 
 public:
 
     explicit DetByClockPhotoButton(const QString& text)
         : QPushButton(text)
     {
         setAcceptDrops(true);
     };
 
     void dragEnterEvent(QDragEnterEvent* event);
+    void dragMoveEvent(QDragMoveEvent* event);
     void dropEvent(QDropEvent* event);
 
 Q_SIGNALS:
 
     void signalClockPhotoDropped(const QUrl&);
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_DET_BY_CLOCK_PHOTO_BUTTON_H