diff --git a/relation_add.module b/relation_add.module
index 769f434..0910617 100644
--- a/relation_add.module
+++ b/relation_add.module
@@ -404,6 +404,9 @@ function relation_add_field_info() {
  * Implements hook_field_is_empty().
  */
 function relation_add_field_is_empty($item, $field) {
+  if (empty($item['relation_options'])) {
+    return TRUE;
+  }
   if (!isset($item['relation_options']['rid']) && !isset($item['rid'])) {
     if (isset($item['relation_options']['targets'])) {
       $targets_flip = array_flip($item['relation_options']['targets']);