--- cddl/contrib/dtracetoolkit/User/setuids.d	(revision 275821)
+++ cddl/contrib/dtracetoolkit/User/setuids.d	(working copy)
@@ -67,7 +67,7 @@ 
 {
 	printf("%5d %5d %5d %5d %-12s %S\n",
 	    self->uid, self->suid, ppid, pid,
-	    curthread->t_procp->p_parent->p_user.u_comm,
+	    curthread->td_proc->p_pptr->p_comm,
 	    curpsinfo->pr_psargs);
 }