diff --git a/Cura/gui/alterationPanel.py b/Cura/gui/alterationPanel.py
index 144f3d94..c47772d7 100644
--- a/Cura/gui/alterationPanel.py
+++ b/Cura/gui/alterationPanel.py
@@ -1,4 +1,4 @@
-import wx
+import wx,wx.stc
 import sys,math,threading,os
 
 from gui import gcodeTextArea
@@ -20,6 +20,7 @@ class alterationPanel(wx.Panel):
 		self.list.SetSelection(0)
 		self.Bind(wx.EVT_LISTBOX, self.OnSelect, self.list)
 		self.textArea.Bind(wx.EVT_KILL_FOCUS, self.OnFocusLost, self.textArea)
+		self.textArea.Bind(wx.stc.EVT_STC_CHANGE, self.OnFocusLost, self.textArea)
 		
 		sizer = wx.GridBagSizer()
 		sizer.Add(self.list, (0,0), span=(1,1), flag=wx.EXPAND)
diff --git a/Cura/gui/gcodeTextArea.py b/Cura/gui/gcodeTextArea.py
index 5487241f..b8fc86f4 100644
--- a/Cura/gui/gcodeTextArea.py
+++ b/Cura/gui/gcodeTextArea.py
@@ -3,7 +3,7 @@ import sys,math,os
 
 from util import profile
 
-if sys.platform == 'darwin':
+if False and sys.platform == 'darwin':
 	class GcodeTextArea(wx.TextCtrl):
 		def __init__(self, parent):
 			super(GcodeTextArea, self).__init__(parent, style=wx.TE_MULTILINE|wx.TE_DONTWRAP|wx.TE_PROCESS_TAB)