--- mime.types	2011-08-02 22:52:14.000000000 -0700
+++ mime.types.copy	2011-08-04 20:20:15.666607441 -0700
@@ -1380,6 +1380,7 @@
 video/x-flv				flv
 video/x-la-asf				lsf lsx
 video/x-m4v				m4v
+video/x-matroska		mpv mkv
 video/x-mng				mng
 video/x-ms-asf				asf asx
 video/x-ms-wm				wm