diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/PopupDialog.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/PopupDialog.qml
index 594e115639b..4da26cf4940 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/PopupDialog.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/PopupDialog.qml
@@ -104,7 +104,7 @@ QtObject {
                 return root.maximumHeight + (2 * window.margin)
         }
         visible: false
-        flags: Qt.FramelessWindowHint | Qt.Dialog
+        flags: Qt.FramelessWindowHint | Qt.Dialog | Qt.WindowStaysOnTopHint
         color: "transparent"
 
         onClosing: function (close) {