diff --git a/source/g3d_viewer/main.cpp b/source/g3d_viewer/main.cpp
index b968be13..b8cab139 100644
--- a/source/g3d_viewer/main.cpp
+++ b/source/g3d_viewer/main.cpp
@@ -2006,6 +2006,7 @@ bool App::OnInit(){
 								newYRotValue);
 	mainWindow->Show();
 	mainWindow->init();
+	mainWindow->Update();
 
 	return true;
 }