--- page_title/page_title.module	2007-08-03 08:52:10.000000000 +0200
+++ page_title/page_title.module	2008-06-07 15:40:13.000000000 +0200
@@ -150,6 +150,13 @@ function page_title_set_title($title = N
   return $stored_title;
 }
 
+/**
+ * Implements hook_preprocess_page() of the Zen based themes.
+ */
+function page_title_preprocess_page(&$vars) {
+  $vars['head_title'] = page_title_page_get_title();
+}
+
 // Public API (every module's gotta have one =)
 
 /**