diff --git a/lib/site_settings/yaml_loader.rb b/lib/site_settings/yaml_loader.rb
index 3f53a28a3d3..82e9d851be4 100644
--- a/lib/site_settings/yaml_loader.rb
+++ b/lib/site_settings/yaml_loader.rb
@@ -15,7 +15,7 @@ class SiteSettings::YamlLoader
           if value.is_a?(Hash)
             raise Discourse::Deprecation, "The site setting `#{setting_name}` can no longer be set based on Rails environment. See also `config/environments/<env>.rb`."
           elsif value.nil?
-            raise StandardError, "The site setting `#{setting_name}` is missing default value."
+            raise StandardError, "The site setting `#{setting_name}` in '#{@file}' is missing default value."
           end
 
           if hash['hidden']&.is_a?(Hash)