diff --git a/src/core/uProbeX.cpp b/src/core/uProbeX.cpp
index 95090df..182b45f 100644
--- a/src/core/uProbeX.cpp
+++ b/src/core/uProbeX.cpp
@@ -117,6 +117,7 @@ uProbeX::~uProbeX()
         }
     }
     m_subWindows.clear();
+    exitApplication();
 }
 
 //---------------------------------------------------------------------------