diff --git a/Normalizer/AbstractObjectNormalizer.php b/Normalizer/AbstractObjectNormalizer.php
index be4f9c47a..c012c8d1a 100644
--- a/Normalizer/AbstractObjectNormalizer.php
+++ b/Normalizer/AbstractObjectNormalizer.php
@@ -482,7 +482,7 @@ private function validateAndDenormalize(string $currentClass, string $attribute,
      */
     protected function denormalizeParameter(\ReflectionClass $class, \ReflectionParameter $parameter, $parameterName, $parameterData, array $context, $format = null)
     {
-        if (null === $this->propertyTypeExtractor || null === $types = $this->propertyTypeExtractor->getTypes($class->getName(), $parameterName)) {
+        if (null === $this->propertyTypeExtractor || null === $this->propertyTypeExtractor->getTypes($class->getName(), $parameterName)) {
             return parent::denormalizeParameter($class, $parameter, $parameterName, $parameterData, $context, $format);
         }
 
@@ -617,6 +617,7 @@ private function getCacheKey(?string $format, array $context)
             unset($context[$key]);
         }
         unset($context[self::EXCLUDE_FROM_CACHE_KEY]);
+        unset($context[self::OBJECT_TO_POPULATE]);
         unset($context['cache_key']); // avoid artificially different keys
 
         try {
diff --git a/Tests/Normalizer/AbstractObjectNormalizerTest.php b/Tests/Normalizer/AbstractObjectNormalizerTest.php
index 3de0ac086..01b8950cb 100644
--- a/Tests/Normalizer/AbstractObjectNormalizerTest.php
+++ b/Tests/Normalizer/AbstractObjectNormalizerTest.php
@@ -174,6 +174,14 @@ public function testDenormalizeStringCollectionDecodedFromXmlWithTwoChildren()
         $this->assertEquals('bar', $stringCollection->children[1]);
     }
 
+    public function testDenormalizeNotSerializableObjectToPopulate()
+    {
+        $normalizer = new AbstractObjectNormalizerDummy();
+        $normalizedData = $normalizer->denormalize(['foo' => 'foo'], Dummy::class, null, [AbstractObjectNormalizer::OBJECT_TO_POPULATE => new NotSerializable()]);
+
+        $this->assertSame('foo', $normalizedData->foo);
+    }
+
     private function getDenormalizerForStringCollection()
     {
         $extractor = $this->getMockBuilder(PhpDocExtractor::class)->getMock();
@@ -448,3 +456,15 @@ public function setSerializer(SerializerInterface $serializer)
         $this->serializer = $serializer;
     }
 }
+
+class NotSerializable
+{
+    public function __sleep()
+    {
+        if (class_exists(\Error::class)) {
+            throw new \Error('not serializable');
+        }
+
+        throw new \Exception('not serializable');
+    }
+}