diff --git a/src/Symfony/Component/Serializer/Encoder/JsonEncode.php b/src/Symfony/Component/Serializer/Encoder/JsonEncode.php
index 76e532c4b7a3..71f69503940d 100644
--- a/src/Symfony/Component/Serializer/Encoder/JsonEncode.php
+++ b/src/Symfony/Component/Serializer/Encoder/JsonEncode.php
@@ -35,14 +35,19 @@ public function __construct($bitmask = 0)
     public function encode($data, $format, array $context = [])
     {
         $context = $this->resolveContext($context);
+        $options = $context['json_encode_options'];
 
-        $encodedJson = json_encode($data, $context['json_encode_options']);
+        try {
+            $encodedJson = json_encode($data, $options);
+        } catch (\JsonException $e) {
+            throw new NotEncodableValueException($e->getMessage(), 0, $e);
+        }
 
-        if (\PHP_VERSION_ID >= 70300 && (JSON_THROW_ON_ERROR & $context['json_encode_options'])) {
+        if (\PHP_VERSION_ID >= 70300 && (JSON_THROW_ON_ERROR & $options)) {
             return $encodedJson;
         }
 
-        if (JSON_ERROR_NONE !== json_last_error() && (false === $encodedJson || !($context['json_encode_options'] & JSON_PARTIAL_OUTPUT_ON_ERROR))) {
+        if (JSON_ERROR_NONE !== json_last_error() && (false === $encodedJson || !($options & JSON_PARTIAL_OUTPUT_ON_ERROR))) {
             throw new NotEncodableValueException(json_last_error_msg());
         }