diff --git a/samples/Cpp/TestCpp/proj.emscripten/main.cpp b/samples/Cpp/TestCpp/proj.emscripten/main.cpp
index bbaa8a6d23..a2a10f4f27 100644
--- a/samples/Cpp/TestCpp/proj.emscripten/main.cpp
+++ b/samples/Cpp/TestCpp/proj.emscripten/main.cpp
@@ -14,6 +14,6 @@ int main(int argc, char **argv)
     // create the application instance
     AppDelegate app;
     CCEGLView* eglView = CCEGLView::sharedOpenGLView();
-    eglView->setFrameSize(800, 480);
+    eglView->setFrameSize(800, 500);
     return CCApplication::sharedApplication()->run();
 }