diff -r 6b38acbe1fd0 -r 8d4de18c9f29 editors/ResourceEditor.py
--- a/editors/ResourceEditor.py	Fri Jul 05 00:10:29 2013 +0200
+++ b/editors/ResourceEditor.py	Fri Jul 05 00:11:21 2013 +0200
@@ -140,7 +140,7 @@
                     editor = wx.grid.GridCellTextEditor()
                     renderer = wx.grid.GridCellStringRenderer()
                 elif colname == "Interval":
-                    editor = DurationCellEditor(self)
+                    editor = DurationCellEditor(self, colname)
                     renderer = wx.grid.GridCellStringRenderer()
                     if self.GetValueByName(row, "Triggering") != "Cyclic":
                         grid.SetReadOnly(row, col, True)