diff --git a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
index 7f483304ca..135e740604 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
@@ -229,11 +229,7 @@ static bool is_xml_mime_type(StringView resource_type)
if (!mime_type.has_value())
return false;
- // An XML MIME type is any MIME type whose subtype ends in "+xml" or whose essence is "text/xml" or "application/xml". [RFC7303]
- if (mime_type->subtype().ends_with_bytes("+xml"sv))
- return true;
-
- return mime_type->essence().is_one_of("text/xml"sv, "application/xml"sv);
+ return mime_type->is_xml();
}
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-object-element:plugin-11