diff --git a/plugin.rb b/plugin.rb
index 97f9f3c..a460a8b 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -15,6 +15,7 @@ after_initialize do
   header_script = '<script src="https://js.stripe.com/v3/"></script>'
   discourse_donations_theme = Theme.find_or_create_by(name: 'Discourse Donations Header', hidden: false, user_id: -1)
   discourse_donations_theme.set_field('common', 'head_tag', header_script)
+  discourse_donations_theme.save
 end
 
 Discourse::Application.routes.prepend do