diff --git a/src/Symfony/Component/HttpFoundation/JsonResponse.php b/src/Symfony/Component/HttpFoundation/JsonResponse.php
index 6dfa75cd2d..1f4f0dd570 100644
--- a/src/Symfony/Component/HttpFoundation/JsonResponse.php
+++ b/src/Symfony/Component/HttpFoundation/JsonResponse.php
@@ -91,7 +91,7 @@ class JsonResponse extends Response
     public function setData($data = array())
     {
         // Encode <, >, ', &, and " for RFC4627-compliant JSON, which may also be embedded into HTML.
-        $this->data = json_encode($data, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT);
+        $this->data = @json_encode($data, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT);
 
         if (JSON_ERROR_NONE !== json_last_error()) {
             throw new \InvalidArgumentException($this->transformJsonError());