diff --git a/src/xdg-desktop-portal-kde.cpp b/src/xdg-desktop-portal-kde.cpp
--- a/src/xdg-desktop-portal-kde.cpp
+++ b/src/xdg-desktop-portal-kde.cpp
@@ -28,6 +28,7 @@
 
 int main(int argc, char *argv[])
 {
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
     QApplication a(argc, argv);
     a.setQuitOnLastWindowClosed(false);