diff --git a/drivers/usbdev/gadget/cdcacm.c b/drivers/usbdev/gadget/cdcacm.c
index ccfdf3481a08a5875214713e16f573c105876e39..0977e289842cd5acb59cfe8e0150847f621f0322 100644
--- a/drivers/usbdev/gadget/cdcacm.c
+++ b/drivers/usbdev/gadget/cdcacm.c
@@ -912,7 +912,7 @@ static void cdcacm_rdcomplete(FAR struct usbdev_ep_s *ep,
 
   /* Magic key */
 
-  if (CheckMagicKey(*(char *)req->buf))
+  if (CheckMagicKey(*(char *)req->buf, CONSOLE_SERIAL))
     {
       atomic_set(&g_magickey, 1);
       (void)cdcacm_recvpacket(priv, rdcontainer);