diff --git a/Userland/Libraries/LibWeb/HTML/AttributeNames.h b/Userland/Libraries/LibWeb/HTML/AttributeNames.h
index bbce798db50..b037428f257 100644
--- a/Userland/Libraries/LibWeb/HTML/AttributeNames.h
+++ b/Userland/Libraries/LibWeb/HTML/AttributeNames.h
@@ -93,6 +93,7 @@ namespace AttributeNames {
     __ENUMERATE_HTML_ATTRIBUTE(lang)                       \
     __ENUMERATE_HTML_ATTRIBUTE(language)                   \
     __ENUMERATE_HTML_ATTRIBUTE(link)                       \
+    __ENUMERATE_HTML_ATTRIBUTE(list)                       \
     __ENUMERATE_HTML_ATTRIBUTE(loading)                    \
     __ENUMERATE_HTML_ATTRIBUTE(longdesc)                   \
     __ENUMERATE_HTML_ATTRIBUTE(loop)                       \