diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index af5e500fbf59b9b03ee4c401c65506a316ae92f0..13793438a7bf9bcaef9d1d4eae2d8b3d91501599 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -311,7 +311,7 @@ else
     if ($fourn_id > 0) $sql.= " AND pfp.fk_soc = ".$fourn_id;
     if ($search_tobatch != '' && $search_tobatch >= 0)   $sql.= " AND p.tobatch = ".$db->escape($search_tobatch);
     if ($search_accountancy_code_sell)   $sql.= natural_search('p.accountancy_code_sell', $search_accountancy_code_sell);
-    if ($search_accountancy_code_sell)   $sql.= natural_search('p.accountancy_code_buy', $search_accountancy_code_buy);
+    if ($search_accountancy_code_buy)   $sql.= natural_search('p.accountancy_code_buy', $search_accountancy_code_buy);
     // Add where from extra fields
 
 	if (!empty($conf->variants->enabled) && $search_hidechildproducts && ($search_type === 0)) {