diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 40a7a47a94f..721c1997086 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -2014,6 +2014,9 @@ class Form
 		$selectFields = " p.rowid, p.label, p.ref, p.description, p.barcode, p.fk_product_type, p.price, p.price_ttc, p.price_base_type, p.tva_tx, p.duration, p.fk_price_expression";
 		(count($warehouseStatusArray)) ? $selectFieldsGrouped = ", sum(ps.reel) as stock" : $selectFieldsGrouped = ", p.stock";
 		
+		$sql = "SELECT ";
+		$sql.= $selectFields . $selectFieldsGrouped;
+		
 		//Product category
 		$sql.= ", (SELECT ".MAIN_DB_PREFIX."categorie_product.fk_categorie
 					FROM ".MAIN_DB_PREFIX."categorie_product
@@ -2021,9 +2024,6 @@ class Form
 					LIMIT 1
 				) AS categorie_product_id ";
 		
-		$sql = "SELECT ";
-		$sql.= $selectFields . $selectFieldsGrouped;
-		
 		//Price by customer
 		if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES) && !empty($socid))
 		{