diff --git a/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp b/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp
index 67abffbcb..70bf51f81 100644
--- a/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp
+++ b/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp
@@ -79,7 +79,7 @@ namespace NLQT
 
 	CObjectViewerWidget::~CObjectViewerWidget()
 	{
-
+		release();
 	}
 
 	void CObjectViewerWidget::showEvent ( QShowEvent * event )