diff --git a/src/kmoretools/kmoretoolsmenufactory.h b/src/kmoretools/kmoretoolsmenufactory.h
--- a/src/kmoretools/kmoretoolsmenufactory.h
+++ b/src/kmoretools/kmoretoolsmenufactory.h
@@ -100,6 +100,15 @@
     void fillMenuFromGroupingNames(QMenu* menu, const QStringList& groupingNames,
                                    const QUrl& url = QUrl());
 
+
+    /**
+     * Set @p widget as the parent widget of the QMenu that will be created
+     * by createMenuFromGroupingNames().
+     * @see createMenuFromGroupingNames()
+     * @since 5.37
+     */
+    void setParentWidget(QWidget* widget);
+
 private:
     /*
      * NOT USED. REMOVE this when possible.
diff --git a/src/kmoretools/kmoretoolsmenufactory.cpp b/src/kmoretools/kmoretoolsmenufactory.cpp
--- a/src/kmoretools/kmoretoolsmenufactory.cpp
+++ b/src/kmoretools/kmoretoolsmenufactory.cpp
@@ -37,6 +37,7 @@
     KMoreTools* kmt = nullptr;
 
     QMenu* menu = nullptr;
+    QWidget* parentWidget = nullptr;
 };
 
 class KMoreToolsLazyMenu : public QMenu
@@ -69,7 +70,7 @@
 
 KMoreToolsMenuFactory::~KMoreToolsMenuFactory()
 {
-    if (d->menu) {
+    if (d->menu && !d->menu->parent()) {
         delete d->menu;
     }
 
@@ -273,7 +274,7 @@
         delete d->menu;
     }
 
-    auto menu = new KMoreToolsLazyMenu();
+    auto menu = new KMoreToolsLazyMenu(d->parentWidget);
     menu->setAboutToShowAction([this, groupingNames, url](QMenu* m) { fillMenuFromGroupingNames(m, groupingNames, url); });
     d->menu = menu;
 
@@ -309,3 +310,8 @@
 
     menuBuilder->buildByAppendingToMenu(menu);
 }
+
+void KMoreToolsMenuFactory::setParentWidget(QWidget *widget)
+{
+    d->parentWidget = widget;
+}