diff --git a/home/fhauser/mimetypes.nix b/home/fhauser/mimetypes.nix
index 54bbd51..b42065a 100644
--- a/home/fhauser/mimetypes.nix
+++ b/home/fhauser/mimetypes.nix
@@ -56,6 +56,7 @@
       "image/svg+xml" = image-vector;
 
       "video/mp4" = video;
+      "video/x-matroska" = video;
 
       "application/zip" = compression;
     };