diff --git a/libavdevice/jack.c b/libavdevice/jack.c
index b9a167bed3..e34eb8961c 100644
--- a/libavdevice/jack.c
+++ b/libavdevice/jack.c
@@ -255,7 +255,7 @@ static int audio_read_header(AVFormatContext *context)
     stream->codecpar->codec_id     = AV_CODEC_ID_PCM_F32LE;
 #endif
     stream->codecpar->sample_rate  = self->sample_rate;
-    stream->codecpar->channels     = self->nports;
+    stream->codecpar->ch_layout.nb_channels = self->nports;
 
     avpriv_set_pts_info(stream, 64, 1, 1000000);  /* 64 bits pts in us */
     return 0;