diff --git a/gio/gapplication.c b/gio/gapplication.c
index c37c3db65..ee6cbe9c4 100644
--- a/gio/gapplication.c
+++ b/gio/gapplication.c
@@ -1329,6 +1329,8 @@ g_application_run (GApplication  *application,
   if (application->priv->impl)
     g_application_impl_flush (application->priv->impl);
 
+  g_settings_sync ();
+
   return status;
 }