diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index b238962eb6..39cf8986b2 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -576,7 +576,7 @@ class SecurityExtension extends Extension implements PrependExtensionInterface
                 'arguments' => [
                     $config['time_cost'],
                     (($config['memory_cost'] ?? 0) << 10) ?: null,
-                    $config['cost']
+                    $config['cost'],
                 ] + (isset($config['native_algorithm']) ? [3 => $config['native_algorithm']] : []),
             ];
         }
diff --git a/src/Symfony/Component/Security/Core/Encoder/EncoderFactory.php b/src/Symfony/Component/Security/Core/Encoder/EncoderFactory.php
index c2dc5609fb..9ec8c7c3f2 100644
--- a/src/Symfony/Component/Security/Core/Encoder/EncoderFactory.php
+++ b/src/Symfony/Component/Security/Core/Encoder/EncoderFactory.php
@@ -128,7 +128,7 @@ class EncoderFactory implements EncoderFactoryInterface
                     'arguments' => [
                         $config['time_cost'] ?? null,
                         (($config['memory_cost'] ?? 0) << 10) ?: null,
-                        $config['cost'] ?? null
+                        $config['cost'] ?? null,
                     ] + (isset($config['native_algorithm']) ? [3 => $config['native_algorithm']] : []),
                 ];