diff --git a/transcode.c b/transcode.c
index ece6ccd53e157ab256256adf9a348721b43e50ad..f5b9f672eb21eb3a7f0ea2de201ba2eb6a80e249 100644
--- a/transcode.c
+++ b/transcode.c
@@ -65,9 +65,18 @@ static void setup_input_stream(char *stream, AVFormatContext *demux,
 	}
 	else if (type == AVMEDIA_TYPE_AUDIO)
 	{
-		p = mprintf("time_base=%d/%d:sample_rate=%d:sample_fmt=%d:channel_layout=%d:channels=%d",
+		// Set channel layout to default if not set
+		if(decs[idx]->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC)
+			av_channel_layout_default(&decs[idx]->ch_layout, decs[idx]->ch_layout.nb_channels);
+
+		char ch_layout[64];
+		err = av_channel_layout_describe(&decs[idx]->ch_layout, ch_layout, sizeof(ch_layout));
+		if (err < 0)
+			job_failed("Could not describe channel layout: %s", av_err2str(err));
+
+		p = mprintf("time_base=%d/%d:sample_rate=%d:sample_fmt=%d:channel_layout=%s:channels=%d",
 			demux->streams[idx]->time_base.num, demux->streams[idx]->time_base.den,
-			decs[idx]->sample_rate, decs[idx]->sample_fmt, decs[idx]->channel_layout,
+			decs[idx]->sample_rate, decs[idx]->sample_fmt, ch_layout,
 			decs[idx]->channels);
 		err = avfilter_graph_create_filter(&srcs[idx],
 				avfilter_get_by_name("abuffer"), 0, p, 0, fg);