diff --git a/src/Normalizer/CarbonDenormalizer.php b/src/Normalizer/CarbonDenormalizer.php
new file mode 100644
index 0000000..f7a280c
--- /dev/null
+++ b/src/Normalizer/CarbonDenormalizer.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Morrislaptop\PopoFactory\Normalizer;
+
+use Carbon\Carbon;
+use Carbon\CarbonInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+
+class CarbonDenormalizer implements DenormalizerInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function denormalize($data, string $type, string $format = null, array $context = [])
+    {
+        return new Carbon($data);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function supportsDenormalization($data, string $type, string $format = null)
+    {
+        return is_a($type, CarbonInterface::class, true);
+    }
+}
diff --git a/src/Normalizer/CarbonNormalizer.php b/src/Normalizer/CarbonNormalizer.php
deleted file mode 100644
index 06e71d3..0000000
--- a/src/Normalizer/CarbonNormalizer.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-namespace Morrislaptop\PopoFactory\Normalizer;
-
-use Carbon\Carbon;
-use Carbon\CarbonInterface;
-use InvalidArgumentException;
-use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
-use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
-
-class CarbonNormalizer implements NormalizerInterface, DenormalizerInterface
-{
-    /**
-     * @inheritdoc
-     */
-    public function normalize($object, string $format = null, array $context = [])
-    {
-        if (! $object instanceof CarbonInterface) {
-            throw new InvalidArgumentException('Cannot serialize an object that is not a CarbonInterface in CarbonNormalizer.');
-        }
-
-        return $object->toRfc3339String();
-    }
-
-    /**
-     * @inheritdoc
-     */
-    public function supportsNormalization($data, string $format = null)
-    {
-        return $data instanceof CarbonInterface;
-    }
-
-    /**
-     * @inheritDoc
-     */
-    public function denormalize($data, string $type, string $format = null, array $context = [])
-    {
-        return new Carbon($data);
-    }
-
-    /**
-     * @inheritDoc
-     */
-    public function supportsDenormalization($data, string $type, string $format = null)
-    {
-        return is_a($type, CarbonInterface::class, true);
-    }
-}
diff --git a/src/PopoFactory.php b/src/PopoFactory.php
index 64384be..4c3a654 100644
--- a/src/PopoFactory.php
+++ b/src/PopoFactory.php
@@ -2,7 +2,7 @@
 
 namespace Morrislaptop\PopoFactory;
 
-use Morrislaptop\PopoFactory\Normalizer\CarbonNormalizer;
+use Morrislaptop\PopoFactory\Normalizer\CarbonDenormalizer;
 use ReflectionClass;
 use ReflectionProperty;
 use Symfony\Component\Serializer\Normalizer\ArrayDenormalizer;
@@ -41,7 +41,7 @@ public function __construct(string $dataTransferObjectClass, Serializer $seriali
     {
         $this->dataTransferObjectClass = $dataTransferObjectClass;
         $this->serializer = $serializer ?: new Serializer([
-            new CarbonNormalizer,
+            new CarbonDenormalizer,
             new DateTimeNormalizer,
             new ArrayDenormalizer,
             new ObjectNormalizer,