diff --git a/VERSIONS_HOTLINE/68507 b/VERSIONS_HOTLINE/68507
new file mode 100644
index 0000000000000000000000000000000000000000..b1e881a4a33fb1e5a75b0b79f1d3bc774b891d52
--- /dev/null
+++ b/VERSIONS_HOTLINE/68507
@@ -0,0 +1 @@
+ - ticket #68507 : WebService Koha : Correction du format de la date de naissance dans le formulaire de pré-inscription.
\ No newline at end of file
diff --git a/application/modules/opac/controllers/AuthController.php b/application/modules/opac/controllers/AuthController.php
index 90cd4f88b41b5b398514cc514a4807f36d5cc08f..44a256ac0dee0704368a0ec6c0879f257f1d25f0 100644
--- a/application/modules/opac/controllers/AuthController.php
+++ b/application/modules/opac/controllers/AuthController.php
@@ -557,11 +557,8 @@ class AuthController extends ZendAfi_Controller_Action {
     if ('' != $this->_getParam('emailCheck'))
       return $this->_redirect('/');
 
-    $form = $pre_registration
-      ->getForm()
-      ->populate(ZendAfi_Filters_Post::filterStatic($this->_request->getParams()));
-
-    $this->view->form = $form;
+    $this->view->form =
+      $form->populate(ZendAfi_Filters_Post::filterStatic($this->_request->getParams()));
 
     $data = ZendAfi_Filters_Post::filterStatic($this->_request->getPost());
     unset($data['emailCheck']);
diff --git a/library/Class/WebService/SIGB/PreRegistration.php b/library/Class/WebService/SIGB/PreRegistration.php
index 56164c231a53309f92f6f96460d61a0c60ed737b..cc22c45bed758af28c6110eb196cb033944242c4 100644
--- a/library/Class/WebService/SIGB/PreRegistration.php
+++ b/library/Class/WebService/SIGB/PreRegistration.php
@@ -172,6 +172,10 @@ class Class_WebService_SIGB_PreRegistrationKoha extends Class_WebService_SIGB_Pr
       return $this->_pre_registration->addError($this->_('Échec de la préinscription, les informations saisies sont invalides.'));
 
     $data['branchcode'] = $this->getBranchCode($data);
+
+    if(isset($data['dateofbirth']))
+      $data['dateofbirth'] = Class_Date::humanDate($data['dateofbirth'],'yyyy-MM-dd');
+
     $response = $int_bib->getSIGBComm()->preRegistration($data);
 
     if(!$response['statut'])
diff --git a/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php b/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
index 6e1f538461fa7a0f1d51e8f37eee1ca75427d7c2..2171c3acee16ae1d16477ce58cd0c2e05ac054ce 100644
--- a/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
+++ b/tests/application/modules/opac/controllers/AuthControllerPreRegistrationTest.php
@@ -136,7 +136,7 @@ class AuthControllerPreRegistrationKohaPostDispatchTest extends AuthControllerPr
              ['data' => json_encode(['branchcode' => 'GRA',
                                      'surname' => 'Boulard',
                                      'firstname' => 'Thom',
-                                     'dateofbirth' => '15-09-1940',
+                                     'dateofbirth' => '1940-09-15',
                                      'streetnumber' => '10',
                                      'address' => 'rue secret',
                                      'zipcode' => '01630',
@@ -156,8 +156,7 @@ class AuthControllerPreRegistrationKohaPostDispatchTest extends AuthControllerPr
                          'city' => 'Gotham',
                          'email' => 'thom@mail.com',
                          'phone' => '0123456789',
-                         'emailCheck' => ''],
-                        true);
+                         'emailCheck' => '']);
   }
 
 
@@ -213,7 +212,7 @@ class AuthControllerPreRegistrationKohaPostDispatchWithErrorReturnedTest extends
              ['data' => json_encode(['branchcode' => 'GRA',
                                      'surname' => 'Boulard',
                                      'firstname' => 'Thom',
-                                     'dateofbirth' => '15-09-1940',
+                                     'dateofbirth' => '1940-09-15',
                                      'streetnumber' => '10',
                                      'address' => 'rue secret',
                                      'zipcode' => '01630',