diff --git a/Userland/Libraries/LibWeb/DOM/CharacterData.idl b/Userland/Libraries/LibWeb/DOM/CharacterData.idl
index e024979c05..3e1d978ca0 100644
--- a/Userland/Libraries/LibWeb/DOM/CharacterData.idl
+++ b/Userland/Libraries/LibWeb/DOM/CharacterData.idl
@@ -1,6 +1,6 @@
 interface CharacterData : Node {
 
-    attribute DOMString data;
+    [LegacyNullToEmptyString] attribute DOMString data;
     readonly attribute unsigned long length;
 
     readonly attribute Element? nextElementSibling;