diff --git a/ChangeLog b/ChangeLog
index 5541d258a..c80bf7f94 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2003-08-22  Alexandre Duret-Lutz  <aduret@src.lip6.fr>
 
+	* wrap/python/cgi/ltl2tgba.in: Fix display of relations for
+	tgba_bdd_concrete automata.
+
 	Fix computation of product acceptance conditions, when the
 	two operands share some acceptance conditions.
 	* src/tgba/tgbaproduct.hh (tgba_product::left_acc_complement_,
diff --git a/wrap/python/cgi/ltl2tgba.in b/wrap/python/cgi/ltl2tgba.in
index b2caaf75a..48879b60f 100644
--- a/wrap/python/cgi/ltl2tgba.in
+++ b/wrap/python/cgi/ltl2tgba.in
@@ -216,7 +216,7 @@ if show_dictionnay:
     automaton.get_dict().dump(spot.get_cout())
     print '</pre>'
 
-if (type(automaton) == spot.tgba_bdd_concrete
+if (type(automaton) == spot.tgba_bdd_concretePtr
     and (show_relation_dot or show_relation_set or show_relation_gif)):
     print '<H3>Transition relation</H3>'
     if show_relation_dot:
@@ -236,7 +236,7 @@ if (type(automaton) == spot.tgba_bdd_concrete
                    imgprefix + '-b.gif', imgprefix + '-b.png')
 	print '<img src="' + imgprefix + '-b.png">'
 
-if (type(automaton) == spot.tgba_bdd_concrete
+if (type(automaton) == spot.tgba_bdd_concretePtr
     and (show_acceptance_dot or show_acceptance_set or show_acceptance_gif)):
     print '<H3>Acceptance relation</H3>'
     if show_acceptance_dot: