diff --git a/htdocs/core/modules/product_batch/mod_lot_advanced.php b/htdocs/core/modules/product_batch/mod_lot_advanced.php
index c49a2963e3c..c580d8915c9 100644
--- a/htdocs/core/modules/product_batch/mod_lot_advanced.php
+++ b/htdocs/core/modules/product_batch/mod_lot_advanced.php
@@ -86,7 +86,7 @@ class mod_lot_advanced extends ModeleNumRefBatch
 
 		// Option to enable custom masks per product
 		$texte .= '<td class="right">';
-		if ($conf->global->PRODUCTBATCH_SN_USE_PRODUCT_MASKS) {
+		if ($conf->global->PRODUCTBATCH_LOT_USE_PRODUCT_MASKS) {
 			$texte .= '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmaskslot&amp;value=0">'.img_picto($langs->trans("Enabled"), 'on').'</a>';
 		} else {
 			$texte .= '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmaskslot&amp;value=1">'.img_picto($langs->trans("Disabled"), 'off').'</a>';