diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 0ef7f8d295b..c23f40a0283 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -148,7 +148,7 @@ class ExtraFields
 	public $errors = array();
 
     /**
-	 * @var integer DB Error number
+	 * @var string DB Error number
 	 */
 	public $errno;