diff --git a/Classes/ViewHelpers/AdditionalJsonViewHelper.php b/Classes/ViewHelpers/AdditionalJsonViewHelper.php
index 517afefb..973ab9b2 100644
--- a/Classes/ViewHelpers/AdditionalJsonViewHelper.php
+++ b/Classes/ViewHelpers/AdditionalJsonViewHelper.php
@@ -51,7 +51,7 @@ public function render(): string
         if (is_string($data)) {
             $data = json_decode($data, true);
 
-            if (!$data || empty($data)) {
+            if (empty($data)) {
                 return 'Parameter additional seems to be an invalid JSON string!';
             }
         }