diff --git a/src/plugins/qmlprofiler/qmlprofilerplugin.cpp b/src/plugins/qmlprofiler/qmlprofilerplugin.cpp
index d8781df9bad..273666e35b1 100644
--- a/src/plugins/qmlprofiler/qmlprofilerplugin.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerplugin.cpp
@@ -112,6 +112,7 @@ void QmlProfilerPlugin::extensionsInitialized()
 ExtensionSystem::IPlugin::ShutdownFlag QmlProfilerPlugin::aboutToShutdown()
 {
     delete m_profilerTool;
+    m_profilerTool = nullptr;
 
     // Save settings.
     // Disconnect from signals that are not needed during shutdown
diff --git a/src/plugins/qmlprofiler/qmlprofilerplugin.h b/src/plugins/qmlprofiler/qmlprofilerplugin.h
index bd38d6964fd..88b764e95a9 100644
--- a/src/plugins/qmlprofiler/qmlprofilerplugin.h
+++ b/src/plugins/qmlprofiler/qmlprofilerplugin.h
@@ -51,7 +51,7 @@ public:
     QList<QObject *> createTestObjects() const override;
 
 private:
-    QmlProfilerTool *m_profilerTool;
+    QmlProfilerTool *m_profilerTool = nullptr;
 };
 
 } // namespace Internal