diff --git a/radio/src/thirdparty/libopenui/src/mainwindow.h b/radio/src/thirdparty/libopenui/src/mainwindow.h
index f51a0d56f..4091beb65 100644
--- a/radio/src/thirdparty/libopenui/src/mainwindow.h
+++ b/radio/src/thirdparty/libopenui/src/mainwindow.h
@@ -52,6 +52,11 @@ class MainWindow: public Window {
 
     void invalidate(const rect_t & rect) override;
 
+    bool needsRefresh() const
+    {
+      return invalidatedRect.w > 0;
+    }
+
     bool refresh();
 
     void run(bool trash=true);