diff --git a/src/Model/Item.php b/src/Model/Item.php
index 636a98ae4f..4228d1a5af 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -789,10 +789,10 @@ class Item
 
 		if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
 			$joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
-		}
 
-		if (strpos($sql_commands, "`parent-item-author`.") !== false) {
-			$joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
+			if (strpos($sql_commands, "`parent-item-author`.") !== false) {
+				$joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
+			}
 		}
 
 		return $joins;