diff --git a/agui2/src/MainWindow.cpp b/agui2/src/MainWindow.cpp
index a5f8440d9a42569b310d715995043efe4ae8381f..0a8e4b27c0d8f1c74dc5ea0dbcd42e38e54e15e8 100644
--- a/agui2/src/MainWindow.cpp
+++ b/agui2/src/MainWindow.cpp
@@ -28,7 +28,7 @@ MainWindow::MainWindow()
     Registry::initialize();
 
     this->scene->addItem(new InputGraphicsBox(std::make_unique<InputModelBox>(), {0, 200}));
-    outputBox = new GraphicsBox(std::make_unique<InputModelBox>(), {400, 200});;
+    outputBox = new GraphicsBox(std::make_unique<OutputModelBox>(), {400, 200});;
     this->scene->addItem(outputBox);
 }