diff --git a/libs/ui/KisImportExportManager.cpp b/libs/ui/KisImportExportManager.cpp
index bd2772370f..06c2e67906 100644
--- a/libs/ui/KisImportExportManager.cpp
+++ b/libs/ui/KisImportExportManager.cpp
@@ -1,456 +1,458 @@
 /*
  * Copyright (C) 2016 Boudewijn Rempt <boud@valdyas.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library 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.
  */
 
 #include "KisImportExportManager.h"
 
 #include <QFile>
 #include <QLabel>
 #include <QVBoxLayout>
 #include <QList>
 #include <QApplication>
 #include <QByteArray>
 #include <QPluginLoader>
 #include <QFileInfo>
 #include <QMessageBox>
 #include <QJsonObject>
 #include <QTextBrowser>
 #include <QCheckBox>
 #include <QGroupBox>
 
 #include <klocalizedstring.h>
 #include <ksqueezedtextlabel.h>
 #include <kpluginfactory.h>
 
 #include <KoFileDialog.h>
 #include <kis_icon_utils.h>
 #include <KoDialog.h>
 #include <KoProgressUpdater.h>
 #include <KoJsonTrader.h>
 #include <KisMimeDatabase.h>
 #include <kis_config_widget.h>
 #include <kis_debug.h>
 #include <KisMimeDatabase.h>
 #include <KisPreExportChecker.h>
 #include <KisPart.h>
 #include "kis_config.h"
 #include "KisImportExportFilter.h"
 #include "KisDocument.h"
 #include <kis_image.h>
 #include <kis_paint_layer.h>
 #include "kis_guides_config.h"
 #include "kis_grid_config.h"
 #include "kis_popup_button.h"
 #include <kis_iterator_ng.h>
 
 // static cache for import and export mimetypes
 QStringList KisImportExportManager::m_importMimeTypes;
 QStringList KisImportExportManager::m_exportMimeTypes;
 
 class Q_DECL_HIDDEN KisImportExportManager::Private
 {
 public:
     bool batchMode {false};
     QPointer<KoProgressUpdater> progressUpdater {0};
 };
 
 KisImportExportManager::KisImportExportManager(KisDocument* document)
     : m_document(document)
     , d(new Private)
 {
 }
 
 KisImportExportManager::~KisImportExportManager()
 {
     delete d;
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::importDocument(const QString& location, const QString& mimeType)
 {
     return convert(Import, location, location, mimeType, false, 0);
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::exportDocument(const QString& location, const QString& realLocation, QByteArray& mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
     return convert(Export, location, realLocation, mimeType, showWarnings, exportConfiguration);
 }
 
 // The static method to figure out to which parts of the
 // graph this mimetype has a connection to.
 QStringList KisImportExportManager::mimeFilter(Direction direction)
 {
     // Find the right mimetype by the extension
     QSet<QString> mimeTypes;
     //    mimeTypes << KisDocument::nativeFormatMimeType() << "application/x-krita-paintoppreset" << "image/openraster";
 
     if (direction == KisImportExportManager::Import) {
         if (m_importMimeTypes.isEmpty()) {
             KoJsonTrader trader;
             QList<QPluginLoader *>list = trader.query("Krita/FileFilter", "");
             Q_FOREACH(QPluginLoader *loader, list) {
                 QJsonObject json = loader->metaData().value("MetaData").toObject();
                 Q_FOREACH(const QString &mimetype, json.value("X-KDE-Import").toString().split(",", QString::SkipEmptyParts)) {
                     //qDebug() << "Adding  import mimetype" << mimetype << KisMimeDatabase::descriptionForMimeType(mimetype) << "from plugin" << loader;
                     mimeTypes << mimetype;
                 }
             }
             qDeleteAll(list);
             m_importMimeTypes = mimeTypes.toList();
         }
         return m_importMimeTypes;
     }
     else if (direction == KisImportExportManager::Export) {
         if (m_exportMimeTypes.isEmpty()) {
             KoJsonTrader trader;
             QList<QPluginLoader *>list = trader.query("Krita/FileFilter", "");
             Q_FOREACH(QPluginLoader *loader, list) {
                 QJsonObject json = loader->metaData().value("MetaData").toObject();
                 Q_FOREACH(const QString &mimetype, json.value("X-KDE-Export").toString().split(",", QString::SkipEmptyParts)) {
                     //qDebug() << "Adding  export mimetype" << mimetype << KisMimeDatabase::descriptionForMimeType(mimetype) << "from plugin" << loader;
                     mimeTypes << mimetype;
                 }
             }
             qDeleteAll(list);
             m_exportMimeTypes = mimeTypes.toList();
         }
         return m_exportMimeTypes;
     }
     return QStringList();
 }
 
 KisImportExportFilter *KisImportExportManager::filterForMimeType(const QString &mimetype, KisImportExportManager::Direction direction)
 {
     int weight = -1;
     KisImportExportFilter *filter = 0;
     KoJsonTrader trader;
     QList<QPluginLoader *>list = trader.query("Krita/FileFilter", "");
     Q_FOREACH(QPluginLoader *loader, list) {
         QJsonObject json = loader->metaData().value("MetaData").toObject();
         QString directionKey = direction == Export ? "X-KDE-Export" : "X-KDE-Import";
         if (json.value(directionKey).toString().split(",", QString::SkipEmptyParts).contains(mimetype)) {
             KLibFactory *factory = qobject_cast<KLibFactory *>(loader->instance());
 
             if (!factory) {
                 warnUI << loader->errorString();
                 continue;
             }
 
             QObject* obj = factory->create<KisImportExportFilter>(0);
             if (!obj || !obj->inherits("KisImportExportFilter")) {
                 delete obj;
                 continue;
             }
 
             KisImportExportFilter *f = qobject_cast<KisImportExportFilter*>(obj);
             if (!f) {
                 delete obj;
                 continue;
             }
 
             int w = json.value("X-KDE-Weight").toInt();
             if (w > weight) {
                 delete filter;
                 filter = f;
                 f->setObjectName(loader->fileName());
                 weight = w;
             }
         }
     }
     qDeleteAll(list);
-    filter->setMimeType(mimetype);
+    if (filter) {
+        filter->setMimeType(mimetype);
+    }
     return filter;
 }
 
 void KisImportExportManager::setBatchMode(const bool batch)
 {
     d->batchMode = batch;
 }
 
 bool KisImportExportManager::batchMode(void) const
 {
     return d->batchMode;
 }
 
 void KisImportExportManager::setProgresUpdater(KoProgressUpdater *updater)
 {
     d->progressUpdater = updater;
 }
 
 QString KisImportExportManager::askForAudioFileName(const QString &defaultDir, QWidget *parent)
 {
     KoFileDialog dialog(parent, KoFileDialog::ImportFiles, "ImportAudio");
 
     if (!defaultDir.isEmpty()) {
         dialog.setDefaultDir(defaultDir);
     }
 
     QStringList mimeTypes;
     mimeTypes << "audio/mpeg";
     mimeTypes << "audio/ogg";
     mimeTypes << "audio/vorbis";
     mimeTypes << "audio/vnd.wave";
     mimeTypes << "audio/flac";
 
     dialog.setMimeTypeFilters(mimeTypes);
     dialog.setCaption(i18nc("@titile:window", "Open Audio"));
 
     return dialog.filename();
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::convert(KisImportExportManager::Direction direction, const QString &location, const QString& realLocation, const QString &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
 
     QString typeName = mimeType;
     if (typeName.isEmpty()) {
         typeName = KisMimeDatabase::mimeTypeForFile(location);
     }
 
     QSharedPointer<KisImportExportFilter> filter(filterForMimeType(typeName, direction));
     if (!filter) {
         return KisImportExportFilter::FilterCreationError;
     }
 
     filter->setFilename(location);
     filter->setRealFilename(realLocation);
     filter->setBatchMode(batchMode());
     filter->setMimeType(typeName);
 
     if (d->progressUpdater) {
         filter->setUpdater(d->progressUpdater->startSubtask());
     }
 
     QByteArray from, to;
     if (direction == Export) {
         from = m_document->nativeFormatMimeType();
         to = mimeType.toLatin1();
     }
     else {
         from = mimeType.toLatin1();
         to = m_document->nativeFormatMimeType();
     }
 
     if (!exportConfiguration) {
         exportConfiguration = filter->lastSavedConfiguration(from, to);
         if (exportConfiguration) {
             // Fill with some meta information about the image
             KisImageWSP image = m_document->image();
             KisPaintDeviceSP pd = image->projection();
 
             bool isThereAlpha = false;
             KisSequentialConstIterator it(pd, image->bounds());
             const KoColorSpace* cs = pd->colorSpace();
             do {
                 if (cs->opacityU8(it.oldRawData()) != OPACITY_OPAQUE_U8) {
                     isThereAlpha = true;
                     break;
                 }
             } while (it.nextPixel());
 
             exportConfiguration->setProperty("ImageContainsTransparency", isThereAlpha);
             exportConfiguration->setProperty("ColorModelID", cs->colorModelId().id());
             exportConfiguration->setProperty("ColorDepthID", cs->colorDepthId().id());
             bool sRGB = (cs->profile()->name().contains(QLatin1String("srgb"), Qt::CaseInsensitive) && !cs->profile()->name().contains(QLatin1String("g10")));
             exportConfiguration->setProperty("sRGB", sRGB);
         }
 
     }
 
     KisPreExportChecker checker;
     if (direction == Export) {
         checker.check(m_document->image(), filter->exportChecks());
     }
 
     KisConfigWidget *wdg = filter->createConfigurationWidget(0, from, to);
     bool alsoAsKra = false;
 
     QStringList warnings = checker.warnings();
     QStringList errors = checker.errors();
 
     // Extra checks that cannot be done by the checker, because the checker only has access to the image.
     if (!m_document->assistants().isEmpty() && typeName != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains <b>assistants</b>. The assistants will not be saved."));
     }
     if (m_document->guidesConfig().hasGuides() && typeName != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains <b>guides</b>. The guides will not be saved."));
     }
     if (!m_document->gridConfig().isDefault() && typeName != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains a <b>custom grid configuration</b>. The configuration will not be saved."));
     }
 
     if (!batchMode() && !errors.isEmpty()) {
         QString error =  "<html><body><p><b>"
                 + i18n("Error: cannot save this image as a %1.", KisMimeDatabase::descriptionForMimeType(typeName))
                 + "</b> Reasons:</p>"
                 + "<p/><ul>";
         Q_FOREACH(const QString &w, errors) {
             error += "\n<li>" + w + "</li>";
         }
 
         error += "</ul>";
 
         QMessageBox::critical(KisPart::instance()->currentMainwindow(), i18nc("@title:window", "Krita: Export Error"), error);
         return KisImportExportFilter::UserCancelled;
     }
 
     if (!batchMode() && (wdg || !warnings.isEmpty())) {
 
         KoDialog dlg;
 
         dlg.setButtons(KoDialog::Ok | KoDialog::Cancel);
         dlg.setWindowTitle(KisMimeDatabase::descriptionForMimeType(mimeType));
 
         QWidget *page = new QWidget(&dlg);
         QVBoxLayout *layout = new QVBoxLayout(page);
 
         if (!checker.warnings().isEmpty()) {
 
             if (showWarnings) {
 
                 QHBoxLayout *hLayout = new QHBoxLayout();
 
                 QLabel *labelWarning = new QLabel();
                 labelWarning->setPixmap(KisIconUtils::loadIcon("dialog-warning").pixmap(32, 32));
                 hLayout->addWidget(labelWarning);
 
                 KisPopupButton *bn = new KisPopupButton(0);
 
                 bn->setText(i18nc("Keep the extra space at the end of the sentence, please", "Warning: saving as %1 will lose information from your image.    ", KisMimeDatabase::descriptionForMimeType(mimeType)));
 
 
                 hLayout->addWidget(bn);
 
                 layout->addLayout(hLayout);
 
                 QTextBrowser *browser = new QTextBrowser();
                 browser->setMinimumWidth(bn->width());
                 bn->setPopupWidget(browser);
 
                 QString warning = "<html><body><p><b>"
                         + i18n("You will lose information when saving this image as a %1.", KisMimeDatabase::descriptionForMimeType(typeName));
 
                 if (warnings.size() == 1) {
                     warning += "</b> Reason:</p>";
                 }
                 else {
                     warning += "</b> Reasons:</p>";
                 }
                 warning += "<p/><ul>";
 
                 Q_FOREACH(const QString &w, warnings) {
                     warning += "\n<li>" + w + "</li>";
                 }
 
                 warning += "</ul>";
                 browser->setHtml(warning);
             }
         }
 
         if (wdg) {
             QGroupBox *box = new QGroupBox(i18n("Options"));
             QVBoxLayout *boxLayout = new QVBoxLayout(box);
             wdg->setConfiguration(exportConfiguration);
             boxLayout->addWidget(wdg);
             layout->addWidget(box);
         }
 
 
         QCheckBox *chkAlsoAsKra = 0;
         if (showWarnings) {
             if (!checker.warnings().isEmpty()) {
                 chkAlsoAsKra = new QCheckBox(i18n("Also save your image as a Krita file."));
                 chkAlsoAsKra->setChecked(KisConfig().readEntry<bool>("AlsoSaveAsKra", false));
                 layout->addWidget(chkAlsoAsKra);
             }
         }
 
         dlg.setMainWidget(page);
         dlg.resize(dlg.minimumSize());
 
         if (showWarnings || wdg) {
             if (!dlg.exec()) {
                 return KisImportExportFilter::UserCancelled;
             }
         }
 
         if (chkAlsoAsKra) {
             KisConfig().writeEntry<bool>("AlsoSaveAsKra", chkAlsoAsKra->isChecked());
             alsoAsKra = chkAlsoAsKra->isChecked();
         }
 
         if (wdg) {
             exportConfiguration = wdg->configuration();
         }
 
     }
 
     QFile io(location);
 
     if (direction == Import) {
         if (!io.exists()) {
             return KisImportExportFilter::FileNotFound;
         }
 
         if (!io.open(QFile::ReadOnly)) {
             return KisImportExportFilter::FileNotFound;
         }
     }
     else if (direction == Export) {
         if (!io.open(QFile::WriteOnly)) {
             return KisImportExportFilter::CreationError;
         }
     }
     else {
         return KisImportExportFilter::BadConversionGraph;
     }
 
     if (!batchMode()) {
         QApplication::setOverrideCursor(Qt::WaitCursor);
     }
 
     KisImportExportFilter::ConversionStatus status = filter->convert(m_document, &io, exportConfiguration);
     io.close();
 
     if (exportConfiguration) {
         KisConfig().setExportConfiguration(typeName, exportConfiguration);
     }
 
     if (alsoAsKra) {
         QString l = location + ".kra";
         QByteArray ba = m_document->nativeFormatMimeType();
         KisImportExportFilter *filter = filterForMimeType(QString::fromLatin1(ba), Export);
         QFile f(l);
         f.open(QIODevice::WriteOnly);
         if (filter) {
             filter->setFilename(l);
             filter->convert(m_document, &f);
         }
         f.close();
         delete filter;
 
     }
 
     if (!batchMode()) {
         QApplication::restoreOverrideCursor();
     }
 
     return status;
 
 }
 
 
 #include <KisMimeDatabase.h>