diff --git a/service-front/app/test/ActorTest/Form/OneLoginFormTest.php b/service-front/app/test/ActorTest/Form/OneLoginFormTest.php
index f374af6f6b..1841b27a58 100644
--- a/service-front/app/test/ActorTest/Form/OneLoginFormTest.php
+++ b/service-front/app/test/ActorTest/Form/OneLoginFormTest.php
@@ -9,6 +9,7 @@
 use Common\Form\Element\Csrf;
 use CommonTest\Form\LaminasFormTests;
 use CommonTest\Form\TestsLaminasForm;
+use Mezzio\Csrf\CsrfGuardInterface;
 use PHPUnit\Framework\TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 
@@ -35,4 +36,10 @@ public function getFormElements(): array
             '__csrf'                => Csrf::class,
         ];
     }
+
+    public function setUp(): void
+    {
+        $guardProphecy = $this->prophesize(CsrfGuardInterface::class);
+        $this->form    = new OneLoginForm($guardProphecy->reveal());
+    }
 }