diff --git a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
index c5bd3ffd97202..0b4f85aa13b89 100644
--- a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
@@ -354,7 +354,14 @@ protected function instantiateObject(array &$data, $class, array &$context, \Ref
                             throw new RuntimeException(sprintf('Cannot create an instance of %s from serialized data because the variadic parameter %s can only accept an array.', $class, $constructorParameter->name));
                         }
 
-                        $params = array_merge($params, $data[$paramName]);
+                        $variadicParameters = array_map(
+                            function($parameterData) use ($reflectionClass, $constructorParameter, $paramName, $context, $format) {
+                                return $this->denormalizeParameter($reflectionClass, $constructorParameter, $paramName, $parameterData, $context, $format);
+                            },
+                            $data[$paramName]
+                        );
+
+                        $params = array_merge($params, $variadicParameters);
                     }
                 } elseif ($allowed && !$ignored && (isset($data[$key]) || \array_key_exists($key, $data))) {
                     $parameterData = $data[$key];