diff --git a/test/monochromescreen/main.cpp b/test/monochromescreen/main.cpp
index db3c35c..b5caa0e 100644
--- a/test/monochromescreen/main.cpp
+++ b/test/monochromescreen/main.cpp
@@ -138,7 +138,11 @@ int main()
     while(hgui_scene1_app_update(&g_hgui_scene1_app,NULL))
     {
         i++;
+#ifdef WIN32
+        std::this_thread::sleep_for(std::chrono::milliseconds(1));
+#else
         std::this_thread::sleep_for(std::chrono::milliseconds(50));
+#endif // WIN32
     }
     return 0;
 }