diff --git a/VERSIONS_HOTLINE/199363 b/VERSIONS_HOTLINE/199363
new file mode 100644
index 0000000000000000000000000000000000000000..c0e2d476728bfda954be9eff6d71020ec60d7a24
--- /dev/null
+++ b/VERSIONS_HOTLINE/199363
@@ -0,0 +1 @@
+ - correctif #199363 : Nanook : Changement de mot de passe, afficher un message d'erreur si la modification a échouée.
\ No newline at end of file
diff --git a/application/modules/opac/controllers/AuthController.php b/application/modules/opac/controllers/AuthController.php
index e08a7f159b68134cd8458b6937ffd6a254746792..a08c9b944b872b44f56fb4a30004a83d4db9ad0d 100644
--- a/application/modules/opac/controllers/AuthController.php
+++ b/application/modules/opac/controllers/AuthController.php
@@ -451,7 +451,10 @@ class AuthController extends ZendAfi_Controller_Action {
       return $this->_redirect('/auth/login');
     }
 
-    $this->_helper->notify($this->_('Votre mot de passe a été réinitialisé, vous pouvez vous connecter.'));
+    ($patron->hasErrors())
+      ? $this->_helper->notify($this->_('La modification du mot de passe a échoué : %s', implode(BR,$patron->getErrors()) ), ['status' => 'error'])
+      : $this->_helper->notify($this->_('Votre mot de passe a été réinitialisé, vous pouvez vous connecter.'));
+
     $this->_redirect('/auth/login');
   }
 
diff --git a/tests/application/modules/opac/controllers/AuthControllerResetPasswordTest.php b/tests/application/modules/opac/controllers/AuthControllerResetPasswordTest.php
index ba98faa9d7f7cfdce9f7b94f6f17270a55eb84c1..69f54b5a80c268144e0b10df59f50928347f2979 100644
--- a/tests/application/modules/opac/controllers/AuthControllerResetPasswordTest.php
+++ b/tests/application/modules/opac/controllers/AuthControllerResetPasswordTest.php
@@ -260,3 +260,66 @@ class AuthControllerResetPasswordActionPostWithTwoUsersWithSameEmailTest
                                       'La récupération de mot de passe n\'est pas possible pour cet email. Il est utilisé dans plusieurs comptes.');
   }
 }
+
+
+
+
+class AuthControllerResetPasswordErrorTest extends AuthControllerResetPasswordTestCase
+{
+  public function setUp() {
+    parent::setUp();
+
+    Class_HttpClientFactory::forTest();
+
+    $this->fixture(Class_IntBib::class,
+                   ['id' => 1,
+                    'comm_sigb' => Class_IntBib::COM_NANOOK,
+                    'comm_params' => ['url_serveur' => 'https://localhost/afi_Nanook/ilsdi/']]);
+
+    $user = $this->fixture(Class_Users::class,
+                           ['id' => 12,
+                            'prenom' => 'Valentin',
+                            'nom' => 'Acloque',
+                            'role_level' => ZendAfi_Acl_AdminControllerRoles::ABONNE_SIGB,
+                            'id_site' => 1,
+                            'idabon' => '45789',
+                            'id_sigb' => '476',
+                            'login' => 'LEC000476',
+                            'password' => '2006',
+                            'id_int_bib' => 1]);
+
+    $user->beAbonneSIGB()->assertSave();
+
+    Class_HttpClientFactory::getInstance()
+      ->getLastHttpClient()
+
+      ->addRequestWithResponse('https://localhost:443/afi_Nanook/ilsdi/service/AuthenticatePatron/username/LEC000476/password/2006',
+                               false)
+
+      ->addRequestWithResponse('https://localhost:443/afi_Nanook/ilsdi/service/UpdatePatronInfo/patronId/476',
+                               '<?xml version="1.0" encoding="UTF-8"?>
+<UpdatePatronInfo><error>PatronUpdateError</error></UpdatePatronInfo>');
+
+    ZendAfi_Auth::getInstance()->clearIdentity();
+
+    $token = (new Class_User_LostPass($user))->tokenAt('20171130154500');
+    $this->postDispatch($this->urlFor($user->getId(), $token, '20171130154500'),
+                        ['new_pass' => 'secret',
+                         'confirm_pass' => 'secret']);
+  }
+
+
+  /** @test */
+  public function allHttpCallsShouldHaveBeenCalled() {
+    Class_HttpClientFactory::getInstance()
+      ->getLastHttpClient()
+      ->checkCalls($this);
+  }
+
+
+  /** @test */
+  public function flashMeesengerShouldContainsErrorMessage()
+  {
+    $this->assertFlashMessengerContentContains('La modification du mot de passe a échoué :');
+  }
+}