diff --git a/src/gui/widgets/ControllerView.cpp b/src/gui/widgets/ControllerView.cpp
index 641f27e78..4e07907b7 100644
--- a/src/gui/widgets/ControllerView.cpp
+++ b/src/gui/widgets/ControllerView.cpp
@@ -104,6 +104,10 @@ ControllerView::ControllerView( Controller * _model, QWidget * _parent ) :
 
 ControllerView::~ControllerView()
 {
+	if (m_subWindow)
+	{
+		delete m_subWindow;
+	}
 }