diff --git a/src/gui/EmulationDialog.cxx b/src/gui/EmulationDialog.cxx
index e9bb3804a..dcbb42859 100644
--- a/src/gui/EmulationDialog.cxx
+++ b/src/gui/EmulationDialog.cxx
@@ -237,6 +237,7 @@ void EmulationDialog::saveConfig()
     instance().console().initializeAudio();
     // update VSync
     instance().console().initializeVideo();
+    instance().createFrameBuffer();
 
     instance().frameBuffer().tiaSurface().ntsc().enableThreading(myUseThreads->getState());
   }