diff --git a/resources/classes/database.php b/resources/classes/database.php
index 7bbaf1f2b7..09d02c04fc 100644
--- a/resources/classes/database.php
+++ b/resources/classes/database.php
@@ -2513,7 +2513,7 @@
 																	}
 																}
 															}
-															if (!$child_key_value) {
+															if (!isset($child_key_value) || $child_key_value == '') {
 																$child_key_value = uuid();
 															}
 															//build the insert