diff --git a/sys/dev/disk/vn/vn.c b/sys/dev/disk/vn/vn.c
index 95bcf44..f7f216f 100644
--- a/sys/dev/disk/vn/vn.c
+++ b/sys/dev/disk/vn/vn.c
@@ -690,17 +690,19 @@ vniocattach_swap(struct vn_softc *vn, struct vn_ioctl *vio, cdev_t dev,
 int
 vnsetcred(struct vn_softc *vn, struct ucred *cred)
 {
+	struct ucred *ocred;
 	char *tmpbuf;
 	int error = 0;
 
 	/*
 	 * Set credits in our softc
 	 */
-
-	if (vn->sc_cred)
-		crfree(vn->sc_cred);
+	ocred = vn->sc_cred;
 	vn->sc_cred = crdup(cred);
 
+	if (ocred)
+		crfree(ocred);
+
 	/*
 	 * Horrible kludge to establish credentials for NFS  XXX.
 	 */