diff --git a/htdocs/product/stock/card.php b/htdocs/product/stock/card.php
index d1bd49629c6..440e082e8ff 100644
--- a/htdocs/product/stock/card.php
+++ b/htdocs/product/stock/card.php
@@ -183,7 +183,7 @@ if (empty($reshook)) {
 			$object->fax = GETPOST("fax");
 
 			// Fill array 'array_options' with data from add form
-	        $ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
+			$ret = $extrafields->setOptionalsFromPost(null, $object, '@GETPOSTISSET');
 			if ($ret < 0) {
 				$error++;
 			}