diff --git a/plugins/extensions/animationrenderer/VideoHDRMetadataOptionsDialog.h b/plugins/extensions/animationrenderer/VideoHDRMetadataOptionsDialog.h
index 98232d2e70..ae16369e58 100644
--- a/plugins/extensions/animationrenderer/VideoHDRMetadataOptionsDialog.h
+++ b/plugins/extensions/animationrenderer/VideoHDRMetadataOptionsDialog.h
@@ -1,52 +1,52 @@
 /*
  *  Copyright (c) 2019 Dmitry Kazakov <dimula73@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef VIDEOHDRMETADATAOPTIONSDIALOG_H
 #define VIDEOHDRMETADATAOPTIONSDIALOG_H
 
 #include <QDialog>
 
 #include "kis_types.h"
 
-class KisHDRMetadataOptions;
+struct KisHDRMetadataOptions;
 
 
 namespace Ui {
 class VideoHDRMetadataOptionsDialog;
 }
 
 class VideoHDRMetadataOptionsDialog : public QDialog
 {
     Q_OBJECT
 
 public:
     explicit VideoHDRMetadataOptionsDialog(QWidget *parent = nullptr);
     ~VideoHDRMetadataOptionsDialog();
 
     void setHDRMetadataOptions(const KisHDRMetadataOptions &options);
     KisHDRMetadataOptions hdrMetadataOptions() const;
 
 private Q_SLOTS:
     void slotPredefinedDisplayIdChanged();
 
 private:
     Ui::VideoHDRMetadataOptionsDialog *ui;
 };
 
 #endif // VIDEOHDRMETADATAOPTIONSDIALOG_H