diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 53c326c22fa..3ea1c942c5a 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -8311,7 +8311,7 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 			$date_delivery = null;
 			if (property_exists($object, 'date_delivery')) {
 				$date_delivery =  $object->date_delivery;
-			} elseif (property_exists($object, delivery_date')) {
+			} elseif (property_exists($object, 'delivery_date')) {
    				$date_delivery =  $object->delivery_date;
 			}
 			$substitutionarray['__DATE_DELIVERY__'] = (isset($date_delivery) ? dol_print_date($date_delivery, 'day', 0, $outputlangs) : '');