diff --git a/core/lib/upload/um-file-upload.php b/core/lib/upload/um-file-upload.php
index ebfa9cba..e51a792f 100644
--- a/core/lib/upload/um-file-upload.php
+++ b/core/lib/upload/um-file-upload.php
@@ -38,7 +38,7 @@ if(isset($_FILES[$id]['name'])) {
     if(!is_array($_FILES[$id]['name'])) {
 	
 		$temp = $_FILES[$id]["tmp_name"];
-		$file = $id."-".$_FILES[$id]["name"];
+        	$file = apply_filters('um_upload_file_name',$id."-".$_FILES[$id]["name"],$id,$_FILES[$id]["name"]);
 		$file = sanitize_file_name($file);
 		$extension = strtolower( pathinfo($file, PATHINFO_EXTENSION) );