diff --git a/Assets/File.php b/Assets/File.php
index 14add6cc9..6a5a6d2e5 100644
--- a/Assets/File.php
+++ b/Assets/File.php
@@ -997,7 +997,7 @@ class File extends DataObject implements ShortcodeHandler, AssetContainer, Thumb
 		}
 
 	public function validate() {
-		$result = new ValidationResult();
+		$result = ValidationResult::create();
 		$this->File->validate($result, $this->Name);
 		$this->extend('validate', $result);
 		return $result;
diff --git a/Assets/Folder.php b/Assets/Folder.php
index a0aa413ee..c5a61d6c1 100644
--- a/Assets/Folder.php
+++ b/Assets/Folder.php
@@ -9,6 +9,7 @@ use SilverStripe\Forms\HiddenField;
 use SilverStripe\Forms\LiteralField;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\DataList;
+use SilverStripe\ORM\ValidationResult;
 use SilverStripe\ORM\Versioning\Versioned;
 
 /**
@@ -325,4 +326,10 @@ class Folder extends File {
 	public function StripThumbnail() {
 		return null;
 	}
+
+	public function validate() {
+		$result = ValidationResult::create();
+		$this->extend('validate', $result);
+		return $result;
+	}
 }