diff --git a/src/FormBuilder.php b/src/FormBuilder.php
index 6a228ff7..4d0b9caa 100644
--- a/src/FormBuilder.php
+++ b/src/FormBuilder.php
@@ -1362,7 +1362,7 @@ protected function getModelValueAttribute($name)
     {
         $key = $this->transformKey($name);
 
-        if (method_exists($this->model, 'getFormValue')) {
+        if ($this->model !== null && method_exists($this->model, 'getFormValue')) {
             return $this->model->getFormValue($key);
         }