diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index f81c0b24..e5551b08 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -57,6 +57,7 @@ class Application extends App implements IBootstrap
         'video/quicktime',
         'video/x-matroska',
         'video/MP2T',
+        'video/x-msvideo',
         // 'video/x-m4v',       // too rarely used for photos
         // 'video/ogg',         // too rarely used for photos
     ];