=== modified file 'sites/all/modules/dereference_list/dereference_list.module'
--- sites/all/modules/dereference_list/dereference_list.module	2012-06-29 21:55:15 +0000
+++ sites/all/modules/dereference_list/dereference_list.module	2012-07-31 17:12:28 +0000
@@ -12,8 +12,10 @@
       $referenced_entities = entity_load($referenced_entity_type, array($referenced_entity_id));
       $referenced_entity = $referenced_entities[$referenced_entity_id];
       $dereference_field_items = field_get_items($referenced_entity_type, $referenced_entity, $settings['dereferenced_field']);
-      foreach ($dereference_field_items as $item) {
-        $return[$item['value']] = $item['value'];
+      if (is_array($dereference_field_items)) {
+        foreach ($dereference_field_items as $item) {
+          $return[$item['value']] = $item['value'];
+        }
       }
     }
   }