diff --git a/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp b/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp
index 229dbfab13b..cadd15c47cf 100644
--- a/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp
+++ b/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp
@@ -225,6 +225,8 @@ NodeInstanceServerProxy::NodeInstanceServerProxy(NodeInstanceView *nodeInstanceV
 
 NodeInstanceServerProxy::~NodeInstanceServerProxy()
 {
+    m_destructing = true;
+
     disconnect(this, SLOT(processFinished(int,QProcess::ExitStatus)));
 
     writeCommand(QVariant::fromValue(EndPuppetCommand()));
@@ -273,6 +275,9 @@ void NodeInstanceServerProxy::dispatchCommand(const QVariant &command, PuppetStr
     static const int debugOutputCommandType = QMetaType::type("DebugOutputCommand");
     static const int puppetAliveCommandType = QMetaType::type("PuppetAliveCommand");
 
+    if (m_destructing)
+        return;
+
     qCInfo(instanceViewBenchmark) << "dispatching command" << command.userType() << command.typeName();
     if (command.userType() ==  informationChangedCommandType) {
         nodeInstanceClient()->informationChanged(command.value<InformationChangedCommand>());
diff --git a/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.h b/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.h
index 4cf8f1241e3..6b2469de9ed 100644
--- a/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.h
+++ b/src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.h
@@ -128,6 +128,7 @@ private:
     RunModus m_runModus;
     int m_synchronizeId = -1;
     QTime m_benchmarkTimer;
+    bool m_destructing = false;
 };
 
 } // namespace QmlDesigner