--- uipc_usrreq.c-9.1-release-r243808   2013-02-25 12:59:06.653391783 +0000
+++ uipc_usrreq.c       2013-02-25 13:00:43.196178074 +0000
@@ -1165,5 +1165,5 @@
                                xu = unp->unp_peercred;
                        else {
-                               if (so->so_type == SOCK_STREAM)
+                               if (so->so_proto->pr_flags & PR_CONNREQUIRED)
                                        error = ENOTCONN;
                                else