diff --git a/kolourpaint.cpp b/kolourpaint.cpp
--- a/kolourpaint.cpp
+++ b/kolourpaint.cpp
@@ -40,6 +40,7 @@
 int main(int argc, char *argv [])
 {
   QApplication app(argc, argv);
+  QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 
   KLocalizedString::setApplicationDomain("kolourpaint");