app/controllers/lookbook/previews_controller.rb in lookbook-2.1.1 vs app/controllers/lookbook/previews_controller.rb in lookbook-2.2.0

@@ -66,9 +66,9 @@
       }
     end
 
     def permit_framing
       headers["X-Frame-Options"] = Lookbook.config.preview_embeds.policy if embedded?
-      headers["X-Frame-Options"] = "SAMEORIGIN" if headers["X-Frame-Options"] == "DENY"
+      headers["X-Frame-Options"] = "SAMEORIGIN" if headers["X-Frame-Options"].upcase == "DENY"
     end
   end
 end