--- mtr.c.orig	Thu Aug 19 09:42:43 1999
+++ mtr.c	Fri Mar  3 23:16:23 2000
@@ -158,7 +158,7 @@
   net_preopen_result = net_preopen ();
 
   /*  Now drop to user permissions  */
-  if(seteuid(getuid())) {
+  if(setuid(getuid())) {
     printf("mtr: Unable to drop permissions.\n");
     exit(1);
   }