diff --git a/sw/ground_segment/python/messages_app/messagesframe.py b/sw/ground_segment/python/messages_app/messagesframe.py
index 7c6a427837..f3190a13c6 100644
--- a/sw/ground_segment/python/messages_app/messagesframe.py
+++ b/sw/ground_segment/python/messages_app/messagesframe.py
@@ -65,7 +65,7 @@ class MessagesFrame(wx.Frame):
         end = book.GetPageCount()
 
         while start < end:
-            if book.GetPageText(start) > name:
+            if book.GetPageText(start) >= name:
                 return start
             start += 1
         return start
@@ -133,8 +133,12 @@ class MessagesFrame(wx.Frame):
             size = value_control.GetSize()
             size.x = LABEL_WIDTH
             value_control.SetMinSize(size)
-            grid_sizer.Add(value_control, 1, wx.ALL|wx.EXPAND, BORDER)
-            grid_sizer.AddGrowableCol(1)
+            grid_sizer.Add(value_control, 1, wx.ALL | wx.EXPAND, BORDER)
+            if wx.MAJOR_VERSION > 2:
+                if grid_sizer.IsColGrowable(1):
+                    grid_sizer.AddGrowableCol(1)
+            else:
+                grid_sizer.AddGrowableCol(1)
             aircraft.messages[name].field_controls.append(value_control)
 
         field_panel.SetAutoLayout(True)
diff --git a/sw/ground_segment/python/settings_app/settingsframe.py b/sw/ground_segment/python/settings_app/settingsframe.py
index 65f775703b..f4cead3533 100644
--- a/sw/ground_segment/python/settings_app/settingsframe.py
+++ b/sw/ground_segment/python/settings_app/settingsframe.py
@@ -15,8 +15,8 @@ from settings_tool import IvySettingsInterface
 def create(parent, ac_ids):
     return SettingsFrame(parent, ac_ids)
 
-SLIDER_ID_OFFSET = 250000
-BUTTON_ID_OFFSET = 2 * 250000
+SLIDER_ID_OFFSET = 30000
+BUTTON_ID_OFFSET = 31000
 SLIDER_FACTOR = 100
 
 # Wraps TextCtrl to provide added functionality