diff --git a/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php b/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
index d655b9f169d8b48321cc229d7c1f0126c2a741e9..f6510ca45809da3d63bf55b22835bec0e34b4a63 100644
--- a/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
+++ b/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
@@ -27,6 +27,9 @@ abstract class AuthControllerPreRegistrationTestCase extends AbstractControllerT
 
   public function setUp() {
     parent::setUp();
+
+    Class_WebService_SIGB_Nanook::reset();
+
     ZendAfi_Auth::getInstance()->clearIdentity();
 
     $this->mock_transport = new MockMailTransport();