diff --git a/shs.module b/shs.module
index de30c9d..ba41de5 100644
--- a/shs.module
+++ b/shs.module
@@ -686,9 +686,11 @@ function shs_taxonomy_term_insert($term) {
  */
 function shs_taxonomy_term_update($term) {
   // Update vocabulary cache for the terms parents.
+  if(isset($term->parent)){
   foreach ($term->parent as $parent) {
     shs_term_get_children($term->vid, $parent, array('node_count' => TRUE), TRUE);
   }
+  }
 }
 
 /**