diff --git a/sw/supervision/paparazzicenter.glade b/sw/supervision/paparazzicenter.glade
index ca2fa6ee290..2ec0ca3d72d 100644
--- a/sw/supervision/paparazzicenter.glade
+++ b/sw/supervision/paparazzicenter.glade
@@ -341,13 +341,66 @@
                           <widget class="GtkAlignment" id="alignment65">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
-                            <property name="left_padding">12</property>
+                            <property name="left_padding">8</property>
                             <child>
-                              <widget class="GtkVBox" id="vbox_ac">
+                              <widget class="GtkHBox" id="hbox_ac">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
                                 <child>
-                                  <placeholder/>
+                                  <widget class="GtkVBox" id="vbox_ac">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <child>
+                                      <placeholder/>
+                                    </child>
+                                  </widget>
+                                  <packing>
+                                    <property name="expand">True</property>
+                                    <property name="fill">True</property>
+                                    <property name="position">0</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <widget class="GtkButton" id="button_refresh">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="receives_default">True</property>
+                                    <property name="has_tooltip">True</property>
+                                    <property name="tooltip" translatable="yes">Reload aircraft xml files.</property>
+                                    <property name="use_action_appearance">False</property>
+                                    <child>
+                                      <widget class="GtkAlignment" id="alignment3">
+                                        <property name="visible">True</property>
+                                        <property name="can_focus">False</property>
+                                        <property name="xscale">0</property>
+                                        <property name="yscale">0</property>
+                                        <child>
+                                          <widget class="GtkHBox" id="hbox1">
+                                            <property name="visible">True</property>
+                                            <property name="can_focus">False</property>
+                                            <property name="spacing">2</property>
+                                            <child>
+                                              <widget class="GtkImage" id="image1">
+                                                <property name="visible">True</property>
+                                                <property name="can_focus">False</property>
+                                                <property name="stock">gtk-refresh</property>
+                                              </widget>
+                                              <packing>
+                                                <property name="expand">False</property>
+                                                <property name="fill">False</property>
+                                                <property name="position">0</property>
+                                              </packing>
+                                            </child>
+                                          </widget>
+                                        </child>
+                                      </widget>
+                                    </child>
+                                  </widget>
+                                  <packing>
+                                    <property name="expand">False</property>
+                                    <property name="fill">False</property>
+                                    <property name="position">1</property>
+                                  </packing>
                                 </child>
                               </widget>
                             </child>
@@ -380,7 +433,7 @@
                           <widget class="GtkAlignment" id="alignment66">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
-                            <property name="left_padding">12</property>
+                            <property name="left_padding">8</property>
                             <child>
                               <widget class="GtkEntry" id="entry_ac_id">
                                 <property name="visible">True</property>
@@ -424,7 +477,7 @@
                           <widget class="GtkAlignment" id="alignment67">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
-                            <property name="left_padding">12</property>
+                            <property name="left_padding">8</property>
                             <child>
                               <widget class="GtkHBox" id="hbox69">
                                 <property name="visible">True</property>
diff --git a/sw/supervision/pc_aircraft.ml b/sw/supervision/pc_aircraft.ml
index 1a5ebe38226..540ef4b5d70 100644
--- a/sw/supervision/pc_aircraft.ml
+++ b/sw/supervision/pc_aircraft.ml
@@ -403,6 +403,9 @@ let ac_combo_handler = fun gui (ac_combo:Gtk_tools.combo) target_combo flash_com
   (* A/C id *)
   ignore(gui#entry_ac_id#connect#changed ~callback:(fun () -> save_callback gui ac_combo tree_set tree_set_mod ()));
 
+  (* refresh button *)
+  ignore(gui#button_refresh#connect#clicked ~callback:(fun () -> update_params (Gtk_tools.combo_value ac_combo)));
+
   (* Conf *)
   List.iter (fun (name, subdir, label, button_browse, button_edit, editor, button_remove) ->
     (* editor button callback *)