diff --git a/src/plugins/designer/formeditorw.cpp b/src/plugins/designer/formeditorw.cpp
index a5dbb9203af..642dac5ab67 100644
--- a/src/plugins/designer/formeditorw.cpp
+++ b/src/plugins/designer/formeditorw.cpp
@@ -150,7 +150,7 @@ FormEditorW::FormEditorW() :
     qFill(m_designerSubWindows, m_designerSubWindows + Designer::Constants::DesignerSubWindowCount,
           static_cast<QWidget *>(0));
 
-    m_formeditor->setTopLevel(Core::ICore::editorManager());
+    m_formeditor->setTopLevel(Core::ICore::mainWindow());
     m_formeditor->setSettingsManager(new SettingsManager());
 
 #if QT_VERSION >= 0x050000