diff --git a/framework/validators/FileValidator.php b/framework/validators/FileValidator.php
index 6b0e139559..bf56538916 100644
--- a/framework/validators/FileValidator.php
+++ b/framework/validators/FileValidator.php
@@ -229,9 +229,9 @@ class FileValidator extends Validator
 	 */
 	public function isEmpty($value, $trim = false)
 	{
-        $value = is_array($value) && !empty($value) ? $value[0] : $value;
+        	$value = is_array($value) && !empty($value) ? $value[0] : $value;
 
-        return !$value instanceof UploadedFile || $value->error == UPLOAD_ERR_NO_FILE;
+        	return !$value instanceof UploadedFile || $value->error == UPLOAD_ERR_NO_FILE;
 	}
 
 	/**