diff --git a/shell/currentcontainmentactionsmodel.h b/shell/currentcontainmentactionsmodel.h
--- a/shell/currentcontainmentactionsmodel.h
+++ b/shell/currentcontainmentactionsmodel.h
@@ -30,6 +30,8 @@
     class ContainmentActions;
 }
 
+class QQuickItem;
+
 //This model load the data about available containment actions plugins, such as context menus that can be loaded on mouse click
 //TODO: out of the library?
 class CurrentContainmentActionsModel : public QStandardItemModel
@@ -55,7 +57,7 @@
     Q_INVOKABLE void update(int row, const QString &action, const QString &plugin);
     Q_INVOKABLE void remove(int row);
     Q_INVOKABLE void showConfiguration(int row);
-    Q_INVOKABLE void showAbout(int row);
+    Q_INVOKABLE void showAbout(int row, QQuickItem *ctx = nullptr);
     Q_INVOKABLE void save();
 
 private:
diff --git a/shell/currentcontainmentactionsmodel.cpp b/shell/currentcontainmentactionsmodel.cpp
--- a/shell/currentcontainmentactionsmodel.cpp
+++ b/shell/currentcontainmentactionsmodel.cpp
@@ -25,6 +25,9 @@
 #include <QDialog>
 #include <QVBoxLayout>
 #include <QDialogButtonBox>
+#include <QQuickItem>
+#include <QQuickWindow>
+#include <QWindow>
 
 #include <kaboutdata.h>
 #include <kaboutapplicationdialog.h>
@@ -220,7 +223,7 @@
     configDlg->show();
 }
 
-void CurrentContainmentActionsModel::showAbout(int row)
+void CurrentContainmentActionsModel::showAbout(int row, QQuickItem *ctx)
 {
     const QString action = itemData(index(row, 0)).value(ActionRole).toString();
 
@@ -244,6 +247,12 @@
     KAboutApplicationDialog *aboutDialog = new KAboutApplicationDialog(aboutData, qobject_cast<QWidget*>(parent()));
     aboutDialog->setWindowIcon(QIcon::fromTheme(info.icon()));
     aboutDialog->setAttribute(Qt::WA_DeleteOnClose);
+
+    if (ctx && ctx->window()) {
+        aboutDialog->setWindowModality(Qt::WindowModal);
+        aboutDialog->winId(); // so it creates the windowHandle();
+        aboutDialog->windowHandle()->setTransientParent(ctx->window());
+    }
     aboutDialog->show();
 }