diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index da3902ac16c8..8aadd4d0c3a8 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1557,6 +1557,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
 		arg = (unsigned long) compat_ptr(arg);
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
+	case LOOP_SET_DIRECT_IO:
 		err = lo_ioctl(bdev, mode, cmd, arg);
 		break;
 	default: