diff --git a/libavformat/nspdec.c b/libavformat/nspdec.c
index 3aaf887746..923432ac92 100644
--- a/libavformat/nspdec.c
+++ b/libavformat/nspdec.c
@@ -88,7 +88,7 @@ static int nsp_read_header(AVFormatContext *s)
     }
 
     st->codecpar->codec_type  = AVMEDIA_TYPE_AUDIO;
-    st->codecpar->channels    = channels;
+    st->codecpar->ch_layout.nb_channels = channels;
     st->codecpar->sample_rate = rate;
     st->codecpar->codec_id    = AV_CODEC_ID_PCM_S16LE;
     st->codecpar->block_align = 2 * channels;