diff --git a/conf/control_panel.xml b/conf/control_panel.xml
index 285686a99e..d64e7ba95f 100644
--- a/conf/control_panel.xml
+++ b/conf/control_panel.xml
@@ -13,7 +13,7 @@
     <variable name="downlink_serial_port" value="/dev/ttyUSB0"/>
     <variable name="fbw_serial_port"      value="/dev/ttyS1"/>
     <variable name="ap_serial_port"       value="/dev/ttyS0"/>
-    <variable name="ivy_bus"              value="127.25.255.255:2009"/>
+    <variable name="ivy_bus"              value="127:2009"/>
     <variable name="map"                  value="sinsat.xml"/>
     <variable name="flight_plan"          value="flight_plans/muret1.xml"/>
     <variable name="multimon_demod"       value="AFSK4800_P"/>
@@ -81,7 +81,7 @@
 
   <section name="sessions">
     <session name="soft sim 2">
-      <variable name="ivy_bus" value="127.25.255.255:3333"/>
+      <variable name="ivy_bus" value="127:3333"/>
       <program name="receive"/>     
       <program name="sim"><arg flag="-a" constant="Thon1"/></program>
       <program name="sim"><arg flag="-a" constant="Thon2"/></program>
@@ -91,7 +91,7 @@
     </session>
 
     <session name="soft sim 1">
-      <variable name="ivy_bus" value="127.25.255.255:2001"/>
+      <variable name="ivy_bus" value="127:2001"/>
       <program name="receive"/>     
       <program name="sim"><arg flag="-a" constant="Thon1"/></program>
       <program name="cockpit"></program>
diff --git a/sw/lib/perl/Paparazzi/AircraftsManager.pm b/sw/lib/perl/Paparazzi/AircraftsManager.pm
index 1e95f8b299..fcb66f5b79 100644
--- a/sw/lib/perl/Paparazzi/AircraftsManager.pm
+++ b/sw/lib/perl/Paparazzi/AircraftsManager.pm
@@ -32,6 +32,9 @@ use Paparazzi::Aircraft;
 use Paparazzi::Flightplan;
 use Paparazzi::Airframe;
 
+use LWP::Simple;
+
+
 sub populate {
   my ($self, $args) = @_;
   $self->SUPER::populate($args);
@@ -97,7 +100,10 @@ sub on_config {
 
   my $fp_url = $fields->{flight_plan};
   if (defined $fp_url) {
-#    print "in AircraftsManager : on_config creating new flight plan\n";
+    #    print "in AircraftsManager : on_config creating new flight plan\n";
+    my $doc = LWP::Simple::get $fp_url;
+    print "##### $doc\n";
+
     my $fp = Paparazzi::Flightplan->new(-url => $fp_url);
 #    use Data::Dumper; 
 #    print "##### waypoints\n".Dumper($fp->get('-waypoints'));