diff --git a/sys/dev/flash/at45d.c b/sys/dev/flash/at45d.c
index 92923164b134..8a948dc4e189 100644
--- a/sys/dev/flash/at45d.c
+++ b/sys/dev/flash/at45d.c
@@ -345,7 +345,7 @@ at45d_delayed_attach(void *xsc)
 	sc->disk->d_mediasize = pagesize * ident->pagecount;
 	sc->disk->d_unit = device_get_unit(sc->dev);
 	disk_create(sc->disk, DISK_VERSION);
-	disk_add_alias(sc->sc_disk, "flash/spi");
+	disk_add_alias(sc->disk, "flash/spi");
 	bioq_init(&sc->bio_queue);
 	kproc_create(&at45d_task, sc, &sc->p, 0, 0, "task: at45d flash");
 	sc->taskstate = TSTATE_RUNNING;