diff --git a/application/modules/opac/controllers/AuthController.php b/application/modules/opac/controllers/AuthController.php
index b2a518bc0dfde689bd814be4173cfba17309aab8..42400c28bb4276722f548e37066c814d9c0eb861 100644
--- a/application/modules/opac/controllers/AuthController.php
+++ b/application/modules/opac/controllers/AuthController.php
@@ -66,7 +66,7 @@ class AuthController extends Zend_Controller_Action
 			$queries['ticket']=$ticket;
 			$queries['identifiant']=$user->getId();
 			$path=$url_cas['path']?$url_cas['path']:'';
-			$this->_redirect('http://'.$url_cas['host'].'/'.$path.'/'.http_build_query($queries));
+			$this->_redirect('http://'.$url_cas['host'].'/'.$path.'?'.http_build_query($queries));
 
 		}
 	}