diff --git a/phpdotnet/phd/Package/PHP/XHTML.php b/phpdotnet/phd/Package/PHP/XHTML.php
index 1e974582..332536da 100644
--- a/phpdotnet/phd/Package/PHP/XHTML.php
+++ b/phpdotnet/phd/Package/PHP/XHTML.php
@@ -715,6 +715,10 @@ public function format_type_text($type, $tagname) {
         default:
             /* Check if its a classname. */
             $href = Format::getFilename("class.$t");
+            if (!$href) {
+                /* Check if its a enumname. */
+                $href = Format::getFilename("enum.$t");
+            }
         }
 
         if ($href === false) {