diff --git a/src/Symfony/Component/Security/Core/Tests/Encoder/Argon2iPasswordEncoderTest.php b/src/Symfony/Component/Security/Core/Tests/Encoder/Argon2iPasswordEncoderTest.php
index cdb4f8767a..1b033cfacc 100644
--- a/src/Symfony/Component/Security/Core/Tests/Encoder/Argon2iPasswordEncoderTest.php
+++ b/src/Symfony/Component/Security/Core/Tests/Encoder/Argon2iPasswordEncoderTest.php
@@ -30,7 +30,7 @@ class Argon2iPasswordEncoderTest extends TestCase
 
     public function testValidationWithConfig()
     {
-        $encoder = new Argon2iPasswordEncoder(4, 4, 1);
+        $encoder = new Argon2iPasswordEncoder(8, 4, 1);
         $result = $encoder->encodePassword(self::PASSWORD, null);
         $this->assertTrue($encoder->isPasswordValid($result, self::PASSWORD, null));
         $this->assertFalse($encoder->isPasswordValid($result, 'anotherPassword', null));