diff --git a/docs/www/fileupload.php b/docs/www/fileupload.php
index 0c7aaf6..ad2f2f5 100644
--- a/docs/www/fileupload.php
+++ b/docs/www/fileupload.php
@@ -20,7 +20,8 @@ if(isset($_POST["submit"])) {
 	$firstDir = bin2hex(random_bytes(16));
 	$secondDir = bin2hex(random_bytes(16));
 	$filename = bin2hex(random_bytes(16));
-	$combinedPath = $firstDir."/".$secondDir."/".$filename;
+	$extension = pathinfo($_FILES['userfile']['name'], PATHINFO_EXTENSION);;
+	$combinedPath = $firstDir."/".$secondDir."/".$filename.".".$extension;
 
 	mkdir($uploadDir.$firstDir, 0774);
 	mkdir($uploadDir.$firstDir."/".$secondDir, 0774);