diff --git a/src/Gui/DemoMode.cpp b/src/Gui/DemoMode.cpp
index e3c67c141c..dab35bc98a 100644
--- a/src/Gui/DemoMode.cpp
+++ b/src/Gui/DemoMode.cpp
@@ -265,6 +265,7 @@ void DemoMode::onAutoPlay()
     Gui::View3DInventor* view = activeView();
     if (view && !view->getViewer()->isAnimating()) {
         ui->playButton->setChecked(true);
+        startAnimation(view);
     }
 }