diff --git a/application/models/JoTabDevises.php b/application/models/JoTabDevises.php
index ddfc9bc6..16225c6c 100644
--- a/application/models/JoTabDevises.php
+++ b/application/models/JoTabDevises.php
@@ -2,4 +2,5 @@
 class Application_Model_JoTabDevises extends Zend_Db_Table_Abstract
 {
 	protected $_name = 'tabDevises';
+	protected $_primary = 'devIso';
 }
\ No newline at end of file