diff --git a/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp b/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
index 5863e6230f0..8797f90dc26 100644
--- a/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
@@ -576,6 +576,9 @@ void FormEditorWidget::showEvent(QShowEvent *event)
         m_formEditorView->cleanupToolsAndScene();
         m_formEditorView->setupFormEditorWidget();
         m_formEditorView->resetToSelectionTool();
+        QmlItemNode rootNode = m_formEditorView->rootModelNode();
+        if (rootNode.isValid())
+            setRootItemRect(rootNode.instanceBoundingRect());
     }
 }