diff --git a/sbin/geom/class/raid3/geom_raid3.c b/sbin/geom/class/raid3/geom_raid3.c
index f6967aa30cc..bef84248d67 100644
--- a/sbin/geom/class/raid3/geom_raid3.c
+++ b/sbin/geom/class/raid3/geom_raid3.c
@@ -173,6 +173,7 @@ raid3_label(struct gctl_req *req)
 		return;
 	}
 	strlcpy(md.md_name, str, sizeof(md.md_name));
+	md.md_id = arc4random();
 	md.md_all = *nargs - 1;
 	md.md_mflags = 0;
 	md.md_dflags = 0;