--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -1557,6 +1557,7 @@
     NULL,
     decode_end,
     decode_packet,
+    .capabilities = CODEC_CAP_SUBFRAMES,
     .flush= flush,
     .long_name = NULL_IF_CONFIG_SMALL("Windows Media Audio 9 Professional"),
 };