diff --git a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
index 59307b921c1..1f8b2451c47 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
+++ b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
@@ -26,7 +26,7 @@ interface HTMLIFrameElement : HTMLElement {
     [CEReactions, Reflect] attribute DOMString align;
     [CEReactions, Reflect] attribute DOMString scrolling;
     [CEReactions, Reflect=frameborder] attribute DOMString frameBorder;
-    [FIXME, CEReactions] attribute USVString longDesc;
+    [CEReactions, Reflect=longdesc] attribute USVString longDesc;
 
     [CEReactions, LegacyNullToEmptyString, Reflect=marginheight] attribute DOMString marginHeight;
     [CEReactions, LegacyNullToEmptyString, Reflect=marginwidth] attribute DOMString marginWidth;