diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -27,6 +27,8 @@
 
 int main(int argc, char **argv)
 {
+    // Fixes blurry icons with fractional scaling
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
     QApplication app(argc, argv);
 
     Kdelibs4ConfigMigrator migrate(QStringLiteral("ksquares"));