$NetBSD$

--- src/3proxy.c.orig	2007-04-20 13:05:10.000000000 +0200
+++ src/3proxy.c
@@ -1276,7 +1276,7 @@ int readconfig(FILE * fp){
 
 
 				tl->comment = mystrdup((char *)ch->argv[1]);
-				while(isdigit(*tl->comment))tl->comment++;
+				while(isdigit((unsigned char)*tl->comment))tl->comment++;
 				if(*tl->comment== '/')tl->comment++;
 
 				sscanf((char *)ch->argv[1], "%u", &tl->number);
