diff --git a/src/openscad.cc b/src/openscad.cc
index 4e689c95..0953ffdb 100644
--- a/src/openscad.cc
+++ b/src/openscad.cc
@@ -642,6 +642,7 @@ int gui(vector<string> &inputFiles, const fs::path &original_path, int argc, cha
 	QCoreApplication::setApplicationVersion(TOSTRING(OPENSCAD_VERSION));
 #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
 	QGuiApplication::setApplicationDisplayName("OpenSCAD");
+	QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #else
 	QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
 #endif