diff --git a/sys/dev/xen/blkfront/blkfront.c b/sys/dev/xen/blkfront/blkfront.c
index c193d84b5a2b..d35e04acb0b9 100644
--- a/sys/dev/xen/blkfront/blkfront.c
+++ b/sys/dev/xen/blkfront/blkfront.c
@@ -674,7 +674,7 @@ xbd_open(struct disk *dp)
 	struct xbd_softc *sc = dp->d_drv1;
 
 	if (sc == NULL) {
-		printf("xb%d: not found", sc->xbd_unit);
+		printf("xbd%d: not found", dp->d_unit);
 		return (ENXIO);
 	}