Index: cufon.module
===================================================================
--- cufon.module	(revision 393)
+++ cufon.module	(working copy)
@@ -106,6 +106,11 @@
     drupal_add_js($filename, 'module');
   }
   $selectors = variable_get('cufon_selectors', array());
+  foreach ($selectors as $id => $selector) {
+    if (empty($selector['selector'])) {
+      unset($selectors[$id]);
+    }
+  }
   drupal_add_js(array('cufonSelectors' => $selectors), 'setting');
 
   $vars['scripts'] = drupal_get_js();