diff --git a/fivestar.module b/fivestar.module
index 3ed5c41..8d7f8d1 100644
--- a/fivestar.module
+++ b/fivestar.module
@@ -1052,6 +1052,10 @@ function fivestar_fivestar_field_content_type_render($subtype, $conf, $panel_arg
 
   $all_values = field_get_items($entity_type, $entity, $field_name, $language);
 
+  if (!$all_values) {
+    $all_values = array();
+  }
+
   // Reverse values.
   if (isset($conf['delta_reversed']) && $conf['delta_reversed']) {
     $all_values = array_reverse($all_values, TRUE);