diff --git a/configtool/addsensordlg.py b/configtool/addsensordlg.py
index 7fbf0e3..3eca544 100644
--- a/configtool/addsensordlg.py
+++ b/configtool/addsensordlg.py
@@ -84,7 +84,6 @@ class AddSensorDlg(wx.Dialog):
     self.tcAddtl = wx.TextCtrl(self, wx.ID_ANY, "")
     self.tcAddtl.SetFont(font)
     self.tcAddtl.Bind(wx.EVT_TEXT, self.onAddtlEntry)
-    self.selectSensorType(sl[0])
     lsz.Add(self.tcAddtl)
     self.tcAddtl.SetToolTipString("Enter additional information required "
                                   "by the sensor type.")
@@ -146,12 +145,6 @@ class AddSensorDlg(wx.Dialog):
   def onAddtlEntry(self, evt):
     evt.Skip()
 
-  def selectSensorType(self, lbl):
-    if lbl == 'Thermistor':
-      self.tcAddtl.Enable(True);
-    else:
-      self.tcAddtl.Enable(False);
-
   def onChoice(self, evt):
     pass
 
@@ -160,8 +153,6 @@ class AddSensorDlg(wx.Dialog):
     s = ch.GetSelection()
     label = ch.GetString(s)
 
-    self.selectSensorType(label)
-
     evt.Skip()
 
   def getValues(self):
@@ -170,11 +161,10 @@ class AddSensorDlg(wx.Dialog):
     addtl = self.tcAddtl.GetValue()
     stype = self.chType.GetString(self.chType.GetSelection())
 
-    if stype in ['Thermistor']:
-      return (nm, sensorTypes[stype], pin, addtl)
-    else:
-      return (nm, sensorTypes[stype], pin)
+    if stype not in ['Thermistor']:
+      addtl = "NONE"
 
+    return (nm, sensorTypes[stype], pin, addtl)
 
   def onSave(self, evt):
     self.EndModal(wx.ID_OK)
diff --git a/configtool/boardpanel.py b/configtool/boardpanel.py
index d8dece5..f073d21 100644
--- a/configtool/boardpanel.py
+++ b/configtool/boardpanel.py
@@ -11,7 +11,7 @@ from configtool.data import (defineValueFormat,
                              reCandProcessors, reCandCPUClocks, reFloatAttr,
                              reDefine, reDefineBL, reDefQS, reDefQSm,
                              reDefQSm2, reDefBool, reDefBoolBL, reDefHT,
-                             reDefTS, reHeater, reSensor3, reSensor4)
+                             reDefTS, reSensor, reHeater)
 from configtool.pinoutspage import PinoutsPage
 from configtool.sensorpage import SensorsPage
 from configtool.heaterspage import HeatersPage
@@ -369,16 +369,11 @@ class BoardPanel(wx.Panel):
     return True
 
   def parseSensor(self, s):
-    m = reSensor4.search(s)
+    m = reSensor.search(s)
     if m:
       t = m.groups()
       if len(t) == 4:
         return t
-    m = reSensor3.search(s)
-    if m:
-      t = m.groups()
-      if len(t) == 3:
-        return t
     return None
 
   def parseHeater(self, s):
@@ -464,11 +459,8 @@ class BoardPanel(wx.Panel):
         fp.write("//                 name      type           pin    "
                  "additional\n");
         for s in self.sensors:
-          sstr = "%-10s%-15s" % ((s[0] + ","), (s[1] + ","))
-          if len(s) == 3:
-            sstr += "%s" % (s[2])
-          else: # len(s) == 4
-            sstr += "%-7s%s" % ((s[2] + ","), s[3])
+          sstr = "%-10s%-15s%-7s%s" % ((s[0] + ","), (s[1] + ","),
+                                       (s[2] + ","), s[3])
           fp.write("DEFINE_TEMP_SENSOR(%s)\n" % sstr)
         skipToSensorEnd = True
         continue
diff --git a/configtool/data.py b/configtool/data.py
index fc814d7..29a8f5a 100644
--- a/configtool/data.py
+++ b/configtool/data.py
@@ -54,8 +54,7 @@ reCandCPUClocks = re.compile("^\s*//\s*#define\s+F_CPU_OPT\s+(\w+)")
 reHelpTextStart = re.compile("^\s*/\*\*\s+\\\\def\s+(.*)")
 reHelpTextEnd = re.compile("^\s*\*/")
 
-reSensor3 = re.compile(".*\\(\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*\\)")
-reSensor4 = re.compile(".*\\(\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*\\)")
+reSensor = re.compile(".*\\(\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*\\)")
 reHeater = re.compile(".*\\(\s*(\w+)\s*,\s*(\w+)\s*,\s*(\w+)\s*\\)")
 
 reInteger = re.compile("^\d+U?L?$")