diff --git a/src/Form/Fields/Fields.php b/src/Form/Fields/Fields.php
index 107036e4..a146badb 100644
--- a/src/Form/Fields/Fields.php
+++ b/src/Form/Fields/Fields.php
@@ -51,7 +51,7 @@ public function field(string $field, string $label, string $modelAttribute = nul
     {
         $instance = new $field($this->form, $label, $modelAttribute, ...$params);
 
-        $this->register($field);
+        $this->register($instance);
 
         return $instance;
     }