diff --git a/src/Bundle/ChillPersonBundle/Tests/Controller/PersonControllerUpdateTest.php b/src/Bundle/ChillPersonBundle/Tests/Controller/PersonControllerUpdateTest.php
index e1defe124..1e5dc0d1f 100644
--- a/src/Bundle/ChillPersonBundle/Tests/Controller/PersonControllerUpdateTest.php
+++ b/src/Bundle/ChillPersonBundle/Tests/Controller/PersonControllerUpdateTest.php
@@ -261,7 +261,7 @@ class PersonControllerUpdateTest extends WebTestCase
             ['firstName', 'random Value', function(Person $person) { return $person->getFirstName(); } ],
             ['lastName' , 'random Value', function(Person $person) { return $person->getLastName(); }  ],
             ['placeOfBirth', 'none place', function(Person $person) { return $person->getPlaceOfBirth(); }],
-            ['birthdate', '15-12-1980', function(Person $person) { return $person->getBirthdate()->format('d-m-Y'); }],
+            ['birthdate', '1980-12-15', function(Person $person) { return $person->getBirthdate()->format('d-m-Y'); }],
             ['phonenumber', '+32123456789', function(Person $person) { return $person->getPhonenumber(); }],
             ['memo', 'jfkdlmq jkfldmsq jkmfdsq', function(Person $person) { return $person->getMemo(); }],
             ['countryOfBirth', 'BE', function(Person $person) { return $person->getCountryOfBirth()->getCountryCode(); }],