diff --git a/expat/xmltok/xmlrole.c b/expat/xmltok/xmlrole.c
index 340147ee..72be89bf 100755
--- a/expat/xmltok/xmlrole.c
+++ b/expat/xmltok/xmlrole.c
@@ -594,7 +594,7 @@ int notation4(PROLOG_STATE *state,
     return XML_ROLE_NOTATION_SYSTEM_ID;
   case XML_TOK_DECL_CLOSE:
     state->handler = internalSubset;
-    return XML_ROLE_NONE;
+    return XML_ROLE_NOTATION_NO_SYSTEM_ID;
   }
   return syntaxError(state);
 }
diff --git a/expat/xmltok/xmlrole.h b/expat/xmltok/xmlrole.h
index 4f4655f8..ecbcc26d 100755
--- a/expat/xmltok/xmlrole.h
+++ b/expat/xmltok/xmlrole.h
@@ -44,6 +44,7 @@ enum {
   XML_ROLE_ENTITY_NOTATION_NAME,
   XML_ROLE_NOTATION_NAME,
   XML_ROLE_NOTATION_SYSTEM_ID,
+  XML_ROLE_NOTATION_NO_SYSTEM_ID,
   XML_ROLE_NOTATION_PUBLIC_ID,
   XML_ROLE_ATTRIBUTE_NAME,
   XML_ROLE_ATTRIBUTE_TYPE_CDATA,