--- links-2.1pre31/types.c.pix	2007-12-09 16:45:27.000000000 +0800
+++ links-2.1pre31/types.c	2007-12-09 16:48:12.000000000 +0800
@@ -392,11 +392,11 @@
 
 void update_assoc(struct assoc *new)
 {
+	struct assoc *repl_found = 0;
 	struct assoc *repl;
 	if (!new->label[0] || !new->ct[0] || !new->prog[0]) return;
 	foreach(repl, assoc) if (!strcmp(repl->label, new->label)
 			      && !strcmp(repl->ct, new->ct)
-			      && !strcmp(repl->prog, new->prog)
 			      && repl->block == new->block
 			      && repl->cons == new->cons
 			      && repl->xwin == new->xwin
@@ -404,11 +404,13 @@
 			      && repl->accept_http == new->accept_http
 			      && repl->accept_ftp == new->accept_ftp
 			      && repl->system == new->system) {
+		mem_free(repl->ct);
+		mem_free(repl->prog);
+		mem_free(repl->label);
 		del_from_list(repl);
-		add_to_list(assoc, repl);
-		return;
+		repl_found = repl;
 	}
-	repl = mem_calloc(sizeof(struct assoc));
+	repl = repl_found ? repl_found : mem_calloc(sizeof(struct assoc));
 	add_to_list(assoc, repl);
 	repl->label = stracpy(new->label);
 	repl->ct = stracpy(new->ct);