--- usr.sbin/syslogd/syslogd.c	(revision 362615)
+++ usr.sbin/syslogd/syslogd.c	(working copy)
@@ -1156,7 +1156,7 @@ 
 	    "abcdefghijklmnopqrstuvwxyz"
 	    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 	    "0123456789"
-	    "_-/");
+	    "._-/");
 	if (app_name_length == 0)
 		goto bad;
 	m += app_name_length;