diff -up xtrans-1.1/Xtranssock.c.foo xtrans-1.1/Xtranssock.c
--- xtrans-1.1/Xtranssock.c.foo	2008-05-06 13:48:07.000000000 -0400
+++ xtrans-1.1/Xtranssock.c	2008-05-06 13:47:51.000000000 -0400
@@ -1148,7 +1148,7 @@ TRANS(SocketUNIXCreateListener) (XtransC
 #else
     mode = 0777;
 #endif
-    if (trans_mkdir(UNIX_DIR, mode) == -1) {
+    if (!abstract && trans_mkdir(UNIX_DIR, mode) == -1) {
 	PRMSG (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %d\n",
 	       UNIX_DIR, errno, 0);
 	(void) umask (oldUmask);