diff --git a/app/helpers/spotlight/main_app_helpers.rb b/app/helpers/spotlight/main_app_helpers.rb
index 3443de02e..a59baa6c9 100644
--- a/app/helpers/spotlight/main_app_helpers.rb
+++ b/app/helpers/spotlight/main_app_helpers.rb
@@ -46,7 +46,7 @@ def exhibit_stylesheet_link_tag(tag)
       if current_exhibit_theme && current_exhibit&.theme != 'default'
         stylesheet_link_tag "#{tag}_#{current_exhibit_theme}"
       else
-        Rails.logger.warn "Exhibit theme '#{current_exhibit_theme}' not in the list of available themes: #{current_exhibit&.themes}"
+        Rails.logger.debug { "Exhibit theme '#{current_exhibit_theme}' not in the list of available themes: #{current_exhibit&.themes}" }
         stylesheet_link_tag(tag)
       end
     end