diff --git a/src/plugins/debugger/outputcollector.cpp b/src/plugins/debugger/outputcollector.cpp
index f091ca92084..205ee91581b 100644
--- a/src/plugins/debugger/outputcollector.cpp
+++ b/src/plugins/debugger/outputcollector.cpp
@@ -80,7 +80,7 @@ bool OutputCollector::listen()
         return m_server->isListening();
     m_server = new QLocalServer(this);
     connect(m_server, SIGNAL(newConnection()), SLOT(newConnectionAvailable()));
-    return m_server->listen(QLatin1String("creator-") + QCoreApplication::applicationPid()); // XXX how to make that secure?
+    return m_server->listen(QLatin1String("creator-%1").arg(QCoreApplication::applicationPid())); // XXX how to make that secure?
 #else
     if (!m_serverPath.isEmpty())
         return true;
diff --git a/src/plugins/designer/formwindoweditor.cpp b/src/plugins/designer/formwindoweditor.cpp
index 869443a9aaf..a2fa85b5ca3 100644
--- a/src/plugins/designer/formwindoweditor.cpp
+++ b/src/plugins/designer/formwindoweditor.cpp
@@ -49,6 +49,7 @@
 #include <QtDesigner/QDesignerWidgetDataBaseInterface>
 #include <qt_private/formwindowbase_p.h>
 #include <qt_private/qtresourcemodel_p.h>
+#include <qt_private/qdesigner_integration_p.h>
 
 #include <QtCore/QFile>
 #include <QtCore/QDir>
@@ -330,9 +331,17 @@ void FormWindowEditor::activate()
 
 QString FormWindowEditor::contextHelpId() const
 {
-    // TODO [13.2.09]: Replace this by QDesignerIntegrations context help Id
-    // in the upcoming version of Qt
-    QDesignerFormEditorInterface *core = FormEditorW::instance()->designerEditor();
+    const QDesignerFormEditorInterface *core = FormEditorW::instance()->designerEditor();
+#if QT_VERSION > 0x040500
+    // Present from Qt 4.5.1 onwards. This will show the class documentation
+    // scrolled to the current property.
+    const qdesigner_internal::QDesignerIntegration *integration =
+            qobject_cast<const qdesigner_internal::QDesignerIntegration*>(core->integration());
+    if (integration)
+        return integration->contextHelpId();
+    return QString();
+#else
+    // Pre 4.5.1. This will show the class documentation.
     QObject *o = core->propertyEditor()->object();
     if (!o)
         return QString();
@@ -347,5 +356,7 @@ QString FormWindowEditor::contextHelpId() const
         className = QLatin1String("QSpacerItem");
     else if (className == QLatin1String("QLayoutWidget"))
         className = QLatin1String("QLayout");
+
     return className;
+#endif
 }
diff --git a/src/plugins/designer/qt_private/qdesigner_integration_p.h b/src/plugins/designer/qt_private/qdesigner_integration_p.h
index b301a1ce827..d02da7b809e 100644
--- a/src/plugins/designer/qt_private/qdesigner_integration_p.h
+++ b/src/plugins/designer/qt_private/qdesigner_integration_p.h
@@ -95,6 +95,8 @@ public:
     bool isResourceEditingEnabled() const;
     bool isSlotNavigationEnabled() const;
 
+    QString contextHelpId() const;
+
 protected:
 
     void setResourceFileWatcherBehaviour(ResourceFileWatcherBehaviour behaviour); // PromptAndReload by default