diff -ru squid-2.3.STABLE4.old/src/acl.c squid-2.3.STABLE4/src/acl.c
--- squid-2.3.STABLE4.old/src/acl.c	Thu Mar  2 12:29:14 2000
+++ squid-2.3.STABLE4/src/acl.c	Mon Nov  6 22:43:56 2000
@@ -629,7 +629,7 @@
     splayNode **Top = curlist;
     while ((t = strtokFile())) {
 	Tolower(t);
-	*Top = splay_insert(xstrdup(t), *Top, aclDomainCompare);
+	*Top = splay_insert(xstrdup(t), *Top, aclHostDomainCompare);
     }
 }