diff --git a/plugin.rb b/plugin.rb
index fd6f4e5..442ed74 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -14,7 +14,7 @@ after_initialize do
   # Must be placed on every page for fraud protection.
   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(target: 'common', name:, 'head_tag', value: header_script)
+  discourse_donations_theme.set_field(target: 'common', name: 'head_tag', value: header_script)
   discourse_donations_theme.save
 end