diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index 89a6c1f04a55..37fa4f976a11 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -535,8 +535,8 @@ static int bdw_probe(struct snd_sof_dev *sdev)
 		return ret;
 	}
 
-	/* set default mailbox */
-	snd_sof_dsp_mailbox_init(sdev, MBOX_OFFSET, MBOX_SIZE, 0, 0);
+	/* set default mailbox offset for FW ready message */
+	sdev->dsp_box.offset = MBOX_OFFSET;
 
 	return ret;
 }