diff --git a/AobaCore/Models/Media.cs b/AobaCore/Models/Media.cs
index d50af8c..915ad88 100644
--- a/AobaCore/Models/Media.cs
+++ b/AobaCore/Models/Media.cs
@@ -65,6 +65,7 @@ public class Media
 		MediaId = fileId;
 		Owner = owner;
 		Id = ObjectId.GenerateNewId();
+		UploadDate = DateTime.UtcNow;
 	}
 
 	public string GetMediaUrl()