diff --git a/model/DataObject.php b/model/DataObject.php
index 0652a1854..ac546195b 100644
--- a/model/DataObject.php
+++ b/model/DataObject.php
@@ -890,7 +890,7 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
 						$parentObj = $relObj;
 						$relObj = $relObj->$relation();
 						// If the intermediate relationship objects have been created, then write them
-						if($i<sizeof($relation)-1 && !$relObj->ID || (!$relObj->ID && $parentObj != $this)) {
+						if($i<sizeof($relations)-1 && !$relObj->ID || (!$relObj->ID && $parentObj != $this)) {
 							$relObj->write();
 							$relatedFieldName = $relation."ID";
 							$parentObj->$relatedFieldName = $relObj->ID;