diff --git a/tests/Functional/PollControllerTest.php b/tests/Functional/PollControllerTest.php
index 1efe4a1..acfded9 100644
--- a/tests/Functional/PollControllerTest.php
+++ b/tests/Functional/PollControllerTest.php
@@ -129,31 +129,33 @@ class PollControllerTest extends WebTestCase {
         'App\DataFixtures\AppPollFixtures'
     ));
 
+    $data = [
+        "title" => "Fromage ou dessert ? ",
+        "description" => "Votre plat préféré",
+        "creation_date" => "2048-04-25T16:19:48+02:00",
+        "expiracy_date" => "2048-04-25T16:19:48+02:00",
+        "kind" => "text",
+        "allowed_answers" => [
+            "yes"
+        ],
+        "modification_policy" => "nobody",
+        "mail_on_vote" => true,
+        "choices" => [
+            [
+                "id" => 1,
+                "name" => "fromage"
+            ],
+            [
+                "id" => 2,
+                "name" => "dessert"
+            ]
+        ],
+        "default_expiracy_days_from_now" => 365
+    ];
+
     $client->request('POST', '/api/v1/poll/', [
-        'json' => [
-            "title" => "Fromage ou dessert ? ",
-            "description" => "Votre plat préféré",
-            "creation_date" => "2048-04-25T16:19:48+02:00",
-            "expiracy_date" => "2048-04-25T16:19:48+02:00",
-            "kind" => "text",
-            "allowed_answers" => [
-                "yes"
-            ],
-            "modification_policy" => "nobody",
-            "mail_on_vote" => true,
-            "choices" => [
-                [
-                    "id" => 1,
-                    "name" => "fromage"
-                ],
-                [
-                    "id" => 2,
-                    "name" => "dessert"
-                ]
-            ],
-            "default_expiracy_days_from_now" => 365
-        ]
-    ]);
+        'json' => $data
+    ], [], [], json_encode($data));
 
     $response = $client->getResponse();
     $this->assertEquals(201, $response->getStatusCode());