diff --git a/php-simple/tests/PricesControllerTest.php b/php-simple/tests/PricesControllerTest.php
index 60b1107..26ae6cd 100644
--- a/php-simple/tests/PricesControllerTest.php
+++ b/php-simple/tests/PricesControllerTest.php
@@ -9,8 +9,6 @@ public function doesSomething()
         $response = $this->call('GET', '/prices/?type=1jour');
 
         $response->assertOk();
-        $response->assertHeader('Content-Type', 'application/json')
-                 ->assertJson([ 'cost' => 35 ]);
-        );
+        $response->assertJson([ 'cost' => 35 ]);
     }
 }