diff --git a/sw/ground_segment/python/settings_app/settingsframe.py b/sw/ground_segment/python/settings_app/settingsframe.py
index fa8842cf53..10a8f1132e 100644
--- a/sw/ground_segment/python/settings_app/settingsframe.py
+++ b/sw/ground_segment/python/settings_app/settingsframe.py
@@ -29,7 +29,7 @@ class TextCtrlSetting(wx.TextCtrl):
   def onEvtText(self, event):
     index = int(self.GetId())
     try:
-      value = float(edit.GetValue())
+      value = float(self.GetValue())
       self.update_callback(index, value)
     except:
       return