diff --git a/system/src/Grav/Common/Data/Blueprint.php b/system/src/Grav/Common/Data/Blueprint.php
index 03ed41f50..fd206ac44 100644
--- a/system/src/Grav/Common/Data/Blueprint.php
+++ b/system/src/Grav/Common/Data/Blueprint.php
@@ -299,7 +299,7 @@ class Blueprint extends BaseBlueprints implements ExportInterface
         if ($this->context) {
             $values = (array) $params;
             if (!isset($field['fields'])) {
-                $field['fields'] = array();
+                $field['fields'] = [];
             }
             foreach ($values as $bname) {
                 $b = $this->context->get($bname);