diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 33462e6370a..f229b3d999c 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -1153,9 +1153,9 @@ if (empty($reshook))
 
 										// Extrafields
 										if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED) && method_exists($lines[$i], 'fetch_optionals')) {
-											$extrafields = new ExtraFields($db);
-											$targetExtraLabels = $extrafields->fetch_name_optionals_label($object->table_element_line);
-											$lines[$i]->fetch_optionals($lines[$i]->rowid, $targetExtraLabels);
+											$targetExtraFields = new ExtraFields($db);
+											$targetExtraFieldLabels = $targetExtraFields->fetch_name_optionals_label($object->table_element_line);
+											$lines[$i]->fetch_optionals($lines[$i]->rowid, $targetExtraFieldLabels);
 											$array_options = $lines[$i]->array_options;
 										}
 
diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index f1d684261d9..224a1443a4f 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -459,9 +459,9 @@ if (empty($reshook))
 	                        // Extrafields
 	                        if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED) && method_exists($lines[$i], 'fetch_optionals')) {
 	                        	require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
-	                        	$extrafields = new ExtraFields($db);
-	                        	$targetExtraLabels = $extrafields->fetch_name_optionals_label($object->table_element_line);
-	                        	$lines[$i]->fetch_optionals($lines[$i]->rowid, $targetExtraLabels);
+	                        	$targetExtraFields = new ExtraFields($db);
+	                        	$targetExtraFieldLabels = $targetExtraFields->fetch_name_optionals_label($object->table_element_line);
+	                        	$lines[$i]->fetch_optionals($lines[$i]->rowid, $targetExtraFieldLabels);
 	                        }
 	                        // FIXME Missing $lines[$i]->ref_supplier and $lines[$i]->label into addline and updateline methods. They are filled when coming from order for example.
 	                        $result = $object->addline(