diff --git a/libavformat/asf.c b/libavformat/asf.c
index e6659923d7..1f6af18b29 100644
--- a/libavformat/asf.c
+++ b/libavformat/asf.c
@@ -153,6 +153,8 @@ const AVMetadataConv ff_asf_metadata_conv[] = {
     { "WM/Tool"            , "encoder"     },
     { "WM/TrackNumber"     , "track"       },
     { "WM/Track"           , "track"       },
+    { "WM/MediaStationCallSign", "service_provider" },
+    { "WM/MediaStationName", "service_name" },
 //  { "Year"               , "date"        }, TODO: conversion year<->date
     { 0 }
 };