diff --git a/Program.cs b/Program.cs
index 6bbf3d9..9d341af 100644
--- a/Program.cs
+++ b/Program.cs
@@ -98,7 +98,7 @@ namespace videoRetailor
             foreach (var mi in mediaInfos)
             {
                 Console.WriteLine($"going to export {string.Join(", ", mi.path)} as part {i}");
-                FFMpeg.Join($"./{DateTime.Today.ToShortDateString()} part{i}.mp4",
+                FFMpeg.Join($"./{DateTime.Today.ToShortDateString()} (part {i}/{mediaInfos.Count()}).mp4",
                     mi.path.ToArray()
                 );