diff --git a/graphics/opencv/files/patch-contrib_modules_viz_src_widget.cpp b/graphics/opencv/files/patch-contrib_modules_viz_src_widget.cpp
new file mode 100644
index 000000000000..72446e1a768a
--- /dev/null
+++ b/graphics/opencv/files/patch-contrib_modules_viz_src_widget.cpp
@@ -0,0 +1,11 @@
+--- contrib/modules/viz/src/widget.cpp.orig	2025-12-16 10:59:36 UTC
++++ contrib/modules/viz/src/widget.cpp
+@@ -45,6 +45,8 @@
+ 
+ #include "precomp.hpp"
+ 
++#include <iostream>
++
+ ///////////////////////////////////////////////////////////////////////////////////////////////
+ /// widget implementation
+