diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index f2b669d4e92..8aad7b864b3 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -6316,7 +6316,7 @@ abstract class CommonObject
 						// Several field into label (eq table:code|libelle:rowid)
 						$notrans = false;
 						$fields_label = explode('|', $InfoFieldList[1]);
-						if (is_array($fields_label))
+						if (count($fields_label)>1)
 						{
 							$notrans = true;
 							foreach ($fields_label as $field_toshow)
@@ -6488,7 +6488,7 @@ abstract class CommonObject
 						$notrans = false;
 						// Several field into label (eq table:code|libelle:rowid)
 						$fields_label = explode('|', $InfoFieldList[1]);
-						if (is_array($fields_label)) {
+						if (count($fields_label)>1) {
 							$notrans = true;
 							foreach ($fields_label as $field_toshow) {
 								$labeltoshow .= $obj->$field_toshow.' ';