diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 7ff0b63c25e3..f2bda08adca7 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -83,7 +83,7 @@
 #define FASTRPC_RMID_INIT_MEM_UNMAP    11
 
 /* Protection Domain(PD) ids */
-#define AUDIO_PD	(0) /* also GUEST_OS PD? */
+#define ROOT_PD		(0)
 #define USER_PD		(1)
 #define SENSORS_PD	(2)
 
@@ -1886,7 +1886,7 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int cmd,
 		err = fastrpc_invoke(fl, argp);
 		break;
 	case FASTRPC_IOCTL_INIT_ATTACH:
-		err = fastrpc_init_attach(fl, AUDIO_PD);
+		err = fastrpc_init_attach(fl, ROOT_PD);
 		break;
 	case FASTRPC_IOCTL_INIT_ATTACH_SNS:
 		err = fastrpc_init_attach(fl, SENSORS_PD);