diff --git a/src/app/main.cpp b/src/app/main.cpp
index 4b74be64dce..e0c9cd72bd2 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -335,6 +335,11 @@ static void setHighDpiEnvironmentVariable()
             && !qEnvironmentVariableIsSet("QT_SCALE_FACTOR")
             && !qEnvironmentVariableIsSet("QT_SCREEN_SCALE_FACTORS")) {
         QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+        // work around QTBUG-80934
+        QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
+            Qt::HighDpiScaleFactorRoundingPolicy::Round);
+#endif
     }
 }