diff --git a/src/data/beos_mime/audio/x-matroska b/src/data/beos_mime/audio/x-matroska
new file mode 100644
index 0000000000..df8bd9526b
--- /dev/null
+++ b/src/data/beos_mime/audio/x-matroska
@@ -0,0 +1,16 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "audio/x-matroska";
+
+// TODO: check this
+// resource(2, "META:SNIFF_RULE") "0.50 (0x1A45DFA3934282886D6174726F736B61428781014285810118538067)";
+
+resource(3, "META:S:DESC") #'MSDC' "Matroska Audio";
+
+resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.videolan-vlc";
+
+resource(5, "META:EXTENS") message(234) {
+	"extensions" = "mka",
+	"type" = "audio/x-matroska"
+};
diff --git a/src/data/beos_mime/video/x-matroska b/src/data/beos_mime/video/x-matroska
new file mode 100644
index 0000000000..c0a209b494
--- /dev/null
+++ b/src/data/beos_mime/video/x-matroska
@@ -0,0 +1,16 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "video/x-matroska";
+
+// TODO: check this
+//resource(2, "META:SNIFF_RULE") "0.50 (0x1A45DFA3934282886D6174726F736B61428781014285810118538067)";
+
+resource(3, "META:S:DESC") #'MSDC' "Matroska Video";
+
+resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.videolan-vlc";
+
+resource(5, "META:EXTENS") message(234) {
+	"extensions" = "mkv",
+	"type" = "video/x-matroska"
+};