diff --git a/sw/ground_segment/cockpit/cockpit.pl b/sw/ground_segment/cockpit/cockpit.pl
index 84c1478391..83246f4039 100755
--- a/sw/ground_segment/cockpit/cockpit.pl
+++ b/sw/ground_segment/cockpit/cockpit.pl
@@ -123,7 +123,7 @@ sub on_foo {
 sub ivy_on_selected {
   my ($sender_name, $msg_class, $msg_name, $fields, $self) = @_;
   print "in ivy_on_selected\n"; # if (COCKPIT_DEBUG);
-  $self->select_ac($fields->{aicraft_id});
+  $self->select_ac($fields->{aicraft_id}) if defined $self->{aircrafts_manager}->get_aircraft_by_id($ac_id);
 }
 
 sub on_aircraft_selection {