diff --git a/modules/viz/include/opencv2/viz/widgets.hpp b/modules/viz/include/opencv2/viz/widgets.hpp
index dcc1165660..cdfe20800f 100644
--- a/modules/viz/include/opencv2/viz/widgets.hpp
+++ b/modules/viz/include/opencv2/viz/widgets.hpp
@@ -95,7 +95,7 @@ namespace cv
             Widget();
             Widget(const Widget& other);
             Widget& operator=(const Widget& other);
-            ~Widget();
+            virtual ~Widget();
 
             /** @brief Creates a widget from ply file.