diff --git a/libavformat/sdsdec.c b/libavformat/sdsdec.c
index 073dadafbb..f98096dca9 100644
--- a/libavformat/sdsdec.c
+++ b/libavformat/sdsdec.c
@@ -110,7 +110,7 @@ static int sds_read_header(AVFormatContext *ctx)
     avio_skip(pb, 11);
 
     st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
-    st->codecpar->channels = 1;
+    st->codecpar->ch_layout.nb_channels = 1;
     st->codecpar->sample_rate = sample_period ? 1000000000 / sample_period : 16000;
     st->duration = (avio_size(pb) - 21) / (127) * s->size / 4;