diff --git a/src/audio/rtnr/rtnr.c b/src/audio/rtnr/rtnr.c
index c5c5a7dab..8c3ce8496 100644
--- a/src/audio/rtnr/rtnr.c
+++ b/src/audio/rtnr/rtnr.c
@@ -381,7 +381,7 @@ static int rtnr_params(struct comp_dev *dev, struct sof_ipc_stream_params *param
 
 	/* set source/sink stream channels */
 	cd->sources_stream[0].channels = audio_stream_get_channels(&source_c->stream);
-	audio_stream_set_channels(&cd->sink_stream, audio_stream_get_channels(&sink_c->stream));
+	cd->sink_stream.channels = audio_stream_get_channels(&sink_c->stream);
 
 	/* set source/sink stream overrun/underrun permitted */
 	cd->sources_stream[0].overrun_permitted = audio_stream_get_overrun(&source_c->stream);