diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index e311b2eb430..1f9e9991469 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -1189,8 +1189,10 @@ QWaylandWindow *QWaylandWindow::guessTransientParent() const
             return mTopPopup;
     }
 
-    if (window()->type() == Qt::ToolTip || window()->type() == Qt::Popup)
-        return display()->lastInputWindow();
+    if (window()->type() == Qt::ToolTip || window()->type() == Qt::Popup) {
+        if (auto lastInputWindow = display()->lastInputWindow())
+            return closestShellSurfaceWindow(lastInputWindow->window());
+    }
 
     return nullptr;
 }