diff --git a/qahw_api/test/qahw_playback_test.c b/qahw_api/test/qahw_playback_test.c
index 253d59e..556f520 100644
--- a/qahw_api/test/qahw_playback_test.c
+++ b/qahw_api/test/qahw_playback_test.c
@@ -2571,6 +2571,7 @@
         fprintf(log_file, "stream %d: Output Flags:%d\n", stream->stream_index, stream->flags);
         fprintf(log_file, "stream %d: Sample Rate:%d\n", stream->stream_index, stream->config.offload_info.sample_rate);
         fprintf(log_file, "stream %d: Channels:%d\n", stream->stream_index, stream->channels);
+        fprintf(log_file, "stream %d: Channel Mask:%x\n", stream->stream_index, stream->config.channel_mask);
         fprintf(log_file, "stream %d: Bitwidth:%d\n", stream->stream_index, stream->config.offload_info.bit_width);
         fprintf(log_file, "stream %d: AAC Format Type:%d\n", stream->stream_index, stream->aac_fmt_type);
         fprintf(log_file, "stream %d: Kvpair Values:%s\n", stream->stream_index, stream->kvpair_values);