diff --git a/Message/RequestAbstract.php b/Message/RequestAbstract.php
index 6247ccbd5..4138ab701 100644
--- a/Message/RequestAbstract.php
+++ b/Message/RequestAbstract.php
@@ -214,7 +214,7 @@ abstract class RequestAbstract implements MessageInterface
 
         $list = \explode($delim, $this->data[$key]);
 
-        return $list === false ? [] : $json;
+        return $list === false ? [] : \trim($list);
     }
 
     /**