--- sys/unix/sysconf.orig	2021-03-22 22:28:14 UTC
+++ sys/unix/sysconf
@@ -136,7 +136,7 @@ LLC_TURNS=3000
 #   %D current time, YYYYMMDDhhmmss format
 #   %n player name
 #   %N first character of player name
-DUMPLOGFILE=/tmp/xnethack.%n.%d.log
+DUMPLOGFILE=/tmp/nethack.%v.%u.%n.%D.log
 
 # End of game HTML dump.
 # Only available if NetHack was compiled with DUMPHTML