diff --git a/Userland/Libraries/LibWeb/HTML/NavigatorLanguage.idl b/Userland/Libraries/LibWeb/HTML/NavigatorLanguage.idl
index adc6a986f3..76992219be 100644
--- a/Userland/Libraries/LibWeb/HTML/NavigatorLanguage.idl
+++ b/Userland/Libraries/LibWeb/HTML/NavigatorLanguage.idl
@@ -3,5 +3,5 @@ interface mixin NavigatorLanguage {
   readonly attribute DOMString language;
   // FIXME: readonly attribute FrozenArray<DOMString> languages;
   //        This is supposed to be a FrozenArray that always returns the same object
-  sequence<DOMString> languages();
+  readonly attribute sequence<DOMString> languages;
 };