diff --git a/src/main.cpp b/src/main.cpp
index 65f3f6b..ffa598b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,80 +1,82 @@
 /***************************************************************************
  *   Copyright 2008-2009 Stefan Majewsky <majewsky@gmx.net>
  *
  *   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 "mainwindow.h"
 #include "settings.h"
 #include "kdiamond_version.h"
 
 #include <ctime>
 
 #include <KAboutData>
 #include <KCrash>
 
 #include <KLocalizedString>
 
 #include <KgDifficulty>
 #include <kdelibs4configmigrator.h>
 #include <QApplication>
 #include <QCommandLineParser>
 #include <QStandardPaths>
 #include <KDBusService>
 
 static const char description[] = I18N_NOOP("KDiamond, a three-in-a-row game.");
 
 int main(int argc, char **argv)
 {
+    // Fixes blurry icons with fractional scaling
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
     QApplication app(argc, argv);
     Kdelibs4ConfigMigrator migrate(QStringLiteral("kdiamond"));
     migrate.setConfigFiles(QStringList() << QStringLiteral("kdiamondrc") << QStringLiteral("kdiamond.notifyrc"));
     migrate.setUiFiles(QStringList() << QStringLiteral("kdiamondui.rc"));
     migrate.migrate();
 
     KLocalizedString::setApplicationDomain("kdiamond");
     KAboutData about(QStringLiteral("kdiamond"), i18nc("The application's name", "KDiamond"), QLatin1String(KDIAMOND_VERSION_STRING), i18n(description),
                      KAboutLicense::GPL, i18n("(C) 2008-2010 Stefan Majewsky and others"), QStringLiteral("https://kde.org/applications/games/org.kde.kdiamond"));
     about.addAuthor(i18n("Stefan Majewsky"), i18n("Original author and current maintainer"), QStringLiteral("majewsky@gmx.net"));
     about.addAuthor(i18n("Paul Bunbury"), i18n("Gameplay refinement"), QStringLiteral("happysmileman@googlemail.com"));
     about.addCredit(i18n("Eugene Trounev"), i18n("Default theme"), QStringLiteral("eugene.trounev@gmail.com"));
     about.addCredit(i18n("Felix Lemke"), i18n("Classic theme"), QStringLiteral("lemke.felix@ages-skripte.org"));
     about.addCredit(i18n("Jeffrey Kelling"), i18n("Technical consultant"), QStringLiteral("kelling.jeffrey@ages-skripte.org"));
     QCommandLineParser parser;
     KAboutData::setApplicationData(about);
     KCrash::initialize();
     about.setupCommandLine(&parser);
     parser.process(app);
     about.processCommandLine(&parser);
 
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("kdiamond")));
 
     //resource directory for KNewStuff2 (this call causes the directory to be created; its existence is necessary for the downloader)
     QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QLatin1String("/themes/");
 
     Kg::difficulty()->addStandardLevelRange(
         KgDifficultyLevel::VeryEasy,
         KgDifficultyLevel::VeryHard
     );
     KDBusService service;
     // see if we are starting with session management
     if (app.isSessionRestored()) {
         kRestoreMainWindows<MainWindow>();
     } else {
         MainWindow *window = new MainWindow;
         window->show();
     }
     return app.exec();
 }