diff --git a/system/src/Grav/Framework/Form/Traits/FormTrait.php b/system/src/Grav/Framework/Form/Traits/FormTrait.php
index 20c4c4f7c..beb1b89c9 100644
--- a/system/src/Grav/Framework/Form/Traits/FormTrait.php
+++ b/system/src/Grav/Framework/Form/Traits/FormTrait.php
@@ -161,7 +161,7 @@ trait FormTrait
 
         try {
             $this->validateData($this->data);
-            $this->validateUploads($this->files);
+            $this->validateUploads($this->getFiles());
         } catch (ValidationException $e) {
             $list = [];
             foreach ($e->getMessages() as $field => $errors) {