diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index e9de33d1c9a0..7d95a2cf58a3 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2757,6 +2757,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	for (i = 0, lcfg = cfg->luns; i < nluns; ++i, ++curlun, ++lcfg) {
 		curlun->cdrom = !!lcfg->cdrom;
 		curlun->ro = lcfg->cdrom || lcfg->ro;
+		curlun->initially_ro = curlun->ro;
 		curlun->removable = lcfg->removable;
 		curlun->dev.release = fsg_lun_release;
 		curlun->dev.parent = &gadget->dev;