diff --git a/htdocs/product/stock/class/api_warehouses.class.php b/htdocs/product/stock/class/api_warehouses.class.php
index fc1c43e343e..0d244785479 100644
--- a/htdocs/product/stock/class/api_warehouses.class.php
+++ b/htdocs/product/stock/class/api_warehouses.class.php
@@ -106,13 +106,13 @@ class Warehouses extends DolibarrApi
         $sql = "SELECT t.rowid";
         $sql .= " FROM ".MAIN_DB_PREFIX."entrepot as t";
     	if ($category > 0) {
-        $sql .= ", ".MAIN_DB_PREFIX."categorie_societe as c";
+			$sql .= ", ".MAIN_DB_PREFIX."categorie_societe as c";
     	}
         $sql .= ' WHERE t.entity IN ('.getEntity('stock').')';
     	// Select warehouses of given category
     	if ($category > 0) {
-        $sql .= " AND c.fk_categorie = ".$db->escape($category);
-        $sql .= " AND c.fk_warehouse = t.rowid ";
+			$sql .= " AND c.fk_categorie = ".$db->escape($category);
+			$sql .= " AND c.fk_warehouse = t.rowid ";
     	}
         // Add sql filters
         if ($sqlfilters)