diff --git a/src/jobs/speedjob.cpp b/src/jobs/speedjob.cpp
index fdbb03694..297f539c0 100644
--- a/src/jobs/speedjob.cpp
+++ b/src/jobs/speedjob.cpp
@@ -1,136 +1,148 @@
 /***************************************************************************
  *   Copyright (C) 2018 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
  *   Copyright (C) 2017 by Nicolas Carion                                  *
  *                                                                         *
  *   This file is part of Kdenlive. See www.kdenlive.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 of the License, or     *
  *   (at your option) version 3 or any later version accepted by the       *
  *   membership of KDE e.V. (or its successor approved  by the membership  *
  *   of KDE e.V.), which shall act as a proxy defined in Section 14 of     *
  *   version 3 of the license.                                             *
  *                                                                         *
  *   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, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #include "speedjob.hpp"
 #include "bin/clipcreator.hpp"
 #include "bin/projectclip.h"
 #include "bin/projectfolder.h"
 #include "bin/projectitemmodel.h"
 #include "core.h"
 #include "jobmanager.h"
 #include "kdenlivesettings.h"
 #include "project/clipstabilize.h"
 #include "ui_scenecutdialog_ui.h"
 
 #include <QInputDialog>
 #include <QScopedPointer>
 
+#include <KIO/RenameDialog>
 #include <mlt++/Mlt.h>
 
 SpeedJob::SpeedJob(const QString &binId, double speed, QString destUrl)
     : MeltJob(binId, SPEEDJOB, false, -1, -1)
     , m_speed(speed)
     , m_destUrl(std::move(destUrl))
 {
     m_requiresFilter = false;
 }
 
 const QString SpeedJob::getDescription() const
 {
     return i18n("Change clip speed");
 }
 
 void SpeedJob::configureConsumer()
 {
     m_consumer = std::make_unique<Mlt::Consumer>(*m_profile.get(), "xml", m_destUrl.toUtf8().constData());
     m_consumer->set("terminate_on_pause", 1);
     m_consumer->set("title", "Speed Change");
     m_consumer->set("real_time", -KdenliveSettings::mltthreads());
 }
 
 void SpeedJob::configureProducer()
 {
     if (!qFuzzyCompare(m_speed, 1.0)) {
         QLocale locale;
         QString resource = m_producer->get("resource");
         m_producer = std::make_unique<Mlt::Producer>(*m_profile.get(), "timewarp", QStringLiteral("%1:%2").arg(locale.toString(m_speed)).arg(resource).toUtf8().constData());
     }
 }
 
 void SpeedJob::configureFilter() {}
 
 // static
 int SpeedJob::prepareJob(const std::shared_ptr<JobManager> &ptr, const std::vector<QString> &binIds, int parentId, QString undoString)
 {
     // Show config dialog
     bool ok;
     int speed = QInputDialog::getInt(QApplication::activeWindow(), i18n("Clip Speed"), i18n("Percentage"), 100, -100000, 100000, 1, &ok);
     if (!ok) {
         return -1;
     }
     std::unordered_map<QString, QString> destinations; // keys are binIds, values are path to target files
     for (const auto &binId : binIds) {
         auto binClip = pCore->projectItemModel()->getClipByBinID(binId);
         // Filter several clips, destination points to a folder
         QString mltfile = QFileInfo(binClip->url()).absoluteFilePath() + QStringLiteral(".mlt");
+        if (QFile::exists(mltfile)) {
+            KIO::RenameDialog renameDialog(qApp->activeWindow(), QString(), /*i18n("File already exists"), */QUrl::fromLocalFile(mltfile), QUrl::fromLocalFile(mltfile), KIO::RenameDialog_Option::RenameDialog_Overwrite );
+            if (renameDialog.exec() == QDialog::Accepted) {
+                QUrl final = renameDialog.newDestUrl();
+                if (final.isValid()) {
+                    mltfile = final.toLocalFile();
+                }
+            } else {
+                return -1;
+            }
+        }
         destinations[binId] = mltfile;
     }
     // Now we have to create the jobs objects. This is trickier than usual, since the parameters are different for each job (each clip has its own
     // destination). We have to construct a lambda that does that.
 
     auto createFn = [dest = std::move(destinations), fSpeed = speed / 100.0](const QString &id) { return std::make_shared<SpeedJob>(id, fSpeed, dest.at(id)); };
 
     // We are now all set to create the job. Note that we pass all the parameters directly through the lambda, hence there are no extra parameters to the
     // function
     using local_createFn_t = std::function<std::shared_ptr<SpeedJob>(const QString &)>;
     return ptr->startJob<SpeedJob>(binIds, parentId, std::move(undoString), local_createFn_t(std::move(createFn)));
 }
 
 bool SpeedJob::commitResult(Fun &undo, Fun &redo)
 {
     Q_ASSERT(!m_resultConsumed);
     if (!m_done) {
         qDebug() << "ERROR: Trying to consume invalid results";
         return false;
     }
     m_resultConsumed = true;
     if (!m_successful) {
         return false;
     }
 
     auto binClip = pCore->projectItemModel()->getClipByBinID(m_clipId);
 
     // We store the stabilized clips in a sub folder with this name
     const QString folderName(i18n("Speed Change"));
 
     QString folderId = QStringLiteral("-1");
     bool found = false;
     // We first try to see if it exists
     auto containingFolder = std::static_pointer_cast<ProjectFolder>(binClip->parent());
     for (int i = 0; i < containingFolder->childCount(); ++i) {
         auto currentItem = std::static_pointer_cast<AbstractProjectItem>(containingFolder->child(i));
         if (currentItem->itemType() == AbstractProjectItem::FolderItem && currentItem->name() == folderName) {
             found = true;
             folderId = currentItem->clipId();
             break;
         }
     }
 
     if (!found) {
         // if it was not found, we create it
         pCore->projectItemModel()->requestAddFolder(folderId, folderName, binClip->parent()->clipId(), undo, redo);
     }
 
     auto id = ClipCreator::createClipFromFile(m_destUrl, folderId, pCore->projectItemModel(), undo, redo);
     return id != QStringLiteral("-1");
 }