diff --git a/composer.json b/composer.json
index 0f4a0b9..bcaf204 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
     "phpstan/phpstan": "^1.4.10",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-phpunit": "^1.0.0",
-    "phpunit/phpunit": "^9.5.18",
+    "phpunit/phpunit": "^9.5.19",
     "predis/predis": "^1.1.10",
     "rollbar/rollbar": "^v2.1.0 || ^v3.1.1",
     "ruflin/elastica": "^7.1.4",
diff --git a/src/Formatter/JsonFormatterFactory.php b/src/Formatter/JsonFormatterFactory.php
index e7716ad..e076f52 100644
--- a/src/Formatter/JsonFormatterFactory.php
+++ b/src/Formatter/JsonFormatterFactory.php
@@ -15,6 +15,7 @@
 use Interop\Container\ContainerInterface;
 use Laminas\ServiceManager\Factory\FactoryInterface;
 use Monolog\Formatter\JsonFormatter;
+use Monolog\Formatter\NormalizerFormatter;
 
 use function array_key_exists;
 use function is_array;
@@ -39,6 +40,8 @@ public function __invoke(ContainerInterface $container, $requestedName, ?array $
         $maxNormalizeDepth          = NormalizerFormatterFactory::DEFAULT_NORMALIZER_DEPTH;
         $maxNormalizeItemCount      = NormalizerFormatterFactory::DEFAULT_NORMALIZER_ITEM_COUNT;
         $prettyPrint                = false;
+        $includeStacktraces         = false;
+        $dateFormat                 = NormalizerFormatter::SIMPLE_DATE;
 
         if (is_array($options)) {
             if (array_key_exists('batchMode', $options)) {
@@ -64,20 +67,19 @@ public function __invoke(ContainerInterface $container, $requestedName, ?array $
             if (array_key_exists('prettyPrint', $options)) {
                 $prettyPrint = $options['prettyPrint'];
             }
-        }
-
-        $formatter = new JsonFormatter($batchMode, $appendNewline, $ignoreEmptyContextAndExtra);
 
-        if (is_array($options)) {
             if (array_key_exists('includeStacktraces', $options)) {
-                $formatter->includeStacktraces($options['includeStacktraces']);
+                $includeStacktraces = $options['includeStacktraces'];
             }
 
             if (array_key_exists('dateFormat', $options)) {
-                $formatter->setDateFormat($options['dateFormat']);
+                $dateFormat = $options['dateFormat'];
             }
         }
 
+        $formatter = new JsonFormatter($batchMode, $appendNewline, $ignoreEmptyContextAndExtra, $includeStacktraces);
+
+        $formatter->setDateFormat($dateFormat);
         $formatter->setMaxNormalizeDepth($maxNormalizeDepth);
         $formatter->setMaxNormalizeItemCount($maxNormalizeItemCount);
         $formatter->setJsonPrettyPrint($prettyPrint);