diff --git a/systemmonitor/main.cpp b/systemmonitor/main.cpp
index 29ea4524b..970b9c356 100644
--- a/systemmonitor/main.cpp
+++ b/systemmonitor/main.cpp
@@ -1,46 +1,46 @@
 /*
  * Copyright (C) 2014  Vishesh Handa <me@vhanda.in>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
 
 #include <QApplication>
 #include <QDBusConnection>
 #include <KLocalizedString>
 
 #include <kworkspace.h>
 
 #include "ksystemactivitydialog.h"
 
 int main(int argc, char** argv)
 {
     KWorkSpace::detectPlatform(argc, argv);
     QApplication app(argc, argv);
     KLocalizedString::setApplicationDomain("systemmonitor");
 
     app.setOrganizationDomain(QStringLiteral("kde.org"));
     app.setDesktopFileName(QStringLiteral("org.kde.systemmonitor"));
 
-    app::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
+    app.setAttribute(Qt::AA_UseHighDpiPixmaps, true);
 
     QDBusConnection con = QDBusConnection::sessionBus();
     if (!con.registerService(QStringLiteral("org.kde.systemmonitor"))) {
         return 0;
     }
 
     KSystemActivityDialog dialog;
     return dialog.exec();
 }