diff --git a/src/backends/kalgebra/kalgebrabackend.cpp b/src/backends/kalgebra/kalgebrabackend.cpp
index 86105add..342ecc62 100644
--- a/src/backends/kalgebra/kalgebrabackend.cpp
+++ b/src/backends/kalgebra/kalgebrabackend.cpp
@@ -1,70 +1,72 @@
 /*************************************************************************************
 *  Copyright (C) 2009 by Aleix Pol <aleixpol@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 "kalgebrabackend.h"
 #include "kalgebrasession.h"
 #include "kalgebraextensions.h"
+#include "settings.h"
+#include "ui_settings.h"
 
 KAlgebraBackend::KAlgebraBackend(QObject* parent,const QList<QVariant> args)
     : Cantor::Backend(parent, args)
 {
     new KAlgebraVariableManagementExtension(this);
 }
 
 QString KAlgebraBackend::id() const
 {
     return QLatin1String("kalgebra");
 }
 
 QString KAlgebraBackend::version() const
 {
     return QLatin1String("Analitza version 5.0");
 }
 
 Cantor::Session* KAlgebraBackend::createSession()
 {
     return new KAlgebraSession(this);
 }
 
 Cantor::Backend::Capabilities KAlgebraBackend::capabilities() const
 {
     return Cantor::Backend::Completion | Cantor::Backend::SyntaxHighlighting
         | Cantor::Backend::SyntaxHelp | Cantor::Backend::VariableManagement;
 }
 
 QWidget* KAlgebraBackend::settingsWidget(QWidget* parent) const
 {
     QWidget* widget = new QWidget(parent);
     Ui::KAlgebraSettingsBase s;
     s.setupUi(widget);
     return widget;
 }
 
 KConfigSkeleton* KAlgebraBackend::config() const
 {
     return KAlgebraSettings::self();
 }
 
 QUrl KAlgebraBackend::helpUrl() const
 {
     return QUrl(i18nc("The url to the documentation of KAlgebra, please check if there is a translated version and use the correct url",
                  "http://docs.kde.org/stable/en/kdeedu/kalgebra/"));
 }
 
 K_PLUGIN_FACTORY_WITH_JSON(kalgebrabackend, "kalgebrabackend.json", registerPlugin<KAlgebraBackend>();)
 #include "kalgebrabackend.moc"