diff --git a/entity_api.inc b/entity_api.inc
index a042526..15b4a82 100644
--- a/entity_api.inc
+++ b/entity_api.inc
@@ -245,7 +245,7 @@ class MigrateDestinationEntityAPI extends MigrateDestinationEntity {
 
     $this->complete($entity, $row);
 
-    if (isset($entity->{$this->id}) && $entity->{$this->id} > 0) {
+    if (!empty($entity->{$this->id})) {
       if ($updating) {
         $this->numUpdated++;
       }