diff --git a/apps/i2psnark/mime.properties b/apps/i2psnark/mime.properties
index 7f21bea1c..5a1157e0a 100644
--- a/apps/i2psnark/mime.properties
+++ b/apps/i2psnark/mime.properties
@@ -11,6 +11,7 @@ iso	= application/x-iso9660-image
 m4a	= audio/mp4a-latm
 m4b	= audio/mp4a-latm
 m4v	= video/x-m4v
+mka	= audio/x-matroska
 mkv	= video/x-matroska
 mobi	= application/x-mobipocket-ebook
 mp4	= video/mp4