diff --git a/app/extractfileitemaction.cpp b/app/extractfileitemaction.cpp
index c770d1a9..7d3b3ed8 100644
--- a/app/extractfileitemaction.cpp
+++ b/app/extractfileitemaction.cpp
@@ -1,111 +1,111 @@
 /*
  * ark -- archiver for the KDE project
  *
  * Copyright (C) 2016 Elvis Angelaccio <elvis.angelaccio@kde.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) 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.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  */
 
 #include "extractfileitemaction.h"
 
 #include <QFileInfo>
 #include <QMenu>
 
 #include <KPluginFactory>
 #include <KLocalizedString>
 #include <KRun>
 
 #include "mimetypes.h"
 #include "pluginmanager.h"
 
 K_PLUGIN_FACTORY_WITH_JSON(ExtractFileItemActionFactory, "extractfileitemaction.json", registerPlugin<ExtractFileItemAction>();)
 
 using namespace Kerfuffle;
 
 ExtractFileItemAction::ExtractFileItemAction(QObject* parent, const QVariantList&)
     : KAbstractFileItemActionPlugin(parent)
     , m_pluginManager(new PluginManager(this))
 {}
 
 QList<QAction*> ExtractFileItemAction::actions(const KFileItemListProperties& fileItemInfos, QWidget* parentWidget)
 {
     QList<QAction*> actions;
     const QIcon icon = QIcon::fromTheme(QStringLiteral("ark"));
 
     bool readOnlyParentDir = false;
     QList<QUrl> supportedUrls;
     // Filter URLs by supported mimetypes.
     foreach (const QUrl &url, fileItemInfos.urlList()) {
-        const QMimeType mimeType = determineMimeType(url.fileName());
+        const QMimeType mimeType = determineMimeType(url.path());
         if (m_pluginManager->preferredPluginsFor(mimeType).isEmpty()) {
             continue;
         }
         supportedUrls << url;
         // Check whether we can write in the parent directory of the file.
         const QString directory = url.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash).toLocalFile();
         if (!QFileInfo(directory).isWritable()) {
             readOnlyParentDir = true;
         }
     }
 
     if (supportedUrls.isEmpty()) {
         return {};
     }
 
     QMenu *extractMenu = new QMenu(parentWidget);
 
     extractMenu->addAction(createAction(icon,
                                         i18nc("@action:inmenu Part of Extract submenu in Dolphin context menu", "Extract archive here"),
                                         parentWidget,
                                         supportedUrls,
                                         QStringLiteral("ark --batch --autodestination %F")));
 
     extractMenu->addAction(createAction(icon,
                                         i18nc("@action:inmenu Part of Extract submenu in Dolphin context menu", "Extract archive to..."),
                                         parentWidget,
                                         supportedUrls,
                                         QStringLiteral("ark --batch --autodestination --dialog %F")));
 
     extractMenu->addAction(createAction(icon,
                                         i18nc("@action:inmenu Part of Extract submenu in Dolphin context menu", "Extract archive here, autodetect subfolder"),
                                         parentWidget,
                                         supportedUrls,
                                         QStringLiteral("ark --batch --autodestination --autosubfolder %F")));
 
     QAction *extractMenuAction = new QAction(i18nc("@action:inmenu Extract submenu in Dolphin context menu", "Extract"), parentWidget);
     extractMenuAction->setMenu(extractMenu);
 
     // #189177: disable extract menu in read-only folders.
     if (readOnlyParentDir) {
         extractMenuAction->setEnabled(false);
     }
 
     actions << extractMenuAction;
     return actions;
 }
 
 QAction *ExtractFileItemAction::createAction(const QIcon& icon, const QString& name, QWidget *parent, const QList<QUrl>& urls, const QString& exec)
 {
     QAction *action = new QAction(icon, name, parent);
 
     connect(action, &QAction::triggered, this, [exec, urls, parent]() {
         KRun::run(exec, urls, parent);
     });
 
     return action;
 }
 
 #include "extractfileitemaction.moc"
diff --git a/kerfuffle/mimetypes.h b/kerfuffle/mimetypes.h
index 2a81aa4c..f53264b5 100644
--- a/kerfuffle/mimetypes.h
+++ b/kerfuffle/mimetypes.h
@@ -1,38 +1,42 @@
 /*
  * Copyright (c) 2016 Ragnar Thomsen <rthomsen6@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ( INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MIMETYPES_H
 #define MIMETYPES_H
 
 #include "kerfuffle_export.h"
 
 #include <QMimeType>
 
 namespace Kerfuffle
 {
+    /**
+     * @param filename Absolute path of a file.
+     * @return The mimetype of the given file.
+     */
     KERFUFFLE_EXPORT QMimeType determineMimeType(const QString& filename);
 }
 
 #endif // MIMETYPES_H