diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -42,6 +42,9 @@
 {
     QApplication app(argc, argv);
 
+    // Fixes blurry icons with fractional scaling, see https://phabricator.kde.org/D29417
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+
     // Add our custom plugins path, where we install our plugins, if it isn't default path
     const QString& path = Settings::pathToCantorPluginsDir().toLocalFile();
     qDebug() << "Adding additional application library path" << path;