diff --git a/src/libs/core/application.cpp b/src/libs/core/application.cpp
index eb854dbf..9b8e05ed 100644
--- a/src/libs/core/application.cpp
+++ b/src/libs/core/application.cpp
@@ -84,6 +84,8 @@ Application::~Application()
 
     m_session->save();
     delete m_session;
+
+    m_instance = nullptr;
 }
 
 /*!