diff --git a/src/dom/sgml/html/attribute.inc b/src/dom/sgml/html/attribute.inc
index 528e2ea2b..45a0f94eb 100644
--- a/src/dom/sgml/html/attribute.inc
+++ b/src/dom/sgml/html/attribute.inc
@@ -93,6 +93,7 @@ HTML_(ATTRIBUTE, ONSUBMIT,		0),
 HTML_(ATTRIBUTE, ONUNLOAD,		0),
 HTML_(ATTRIBUTE, PROFILE,		SGML_ATTRIBUTE_REFERENCE),
 HTML_(ATTRIBUTE, PROMPT,		0),
+HTML_(ATTRIBUTE, PLUGINSPAGE,		SGML_ATTRIBUTE_REFERENCE),
 HTML_(ATTRIBUTE, READONLY,		0),
 HTML_(ATTRIBUTE, REL,			0),
 HTML_(ATTRIBUTE, REV,			0),