diff --git a/gramps/src/Date.py b/gramps/src/Date.py
index 50d3b761d..35364c4a1 100644
--- a/gramps/src/Date.py
+++ b/gramps/src/Date.py
@@ -324,7 +324,9 @@ class SingleDate:
     #
     #--------------------------------------------------------------------
     def __cmp__(self,other):
-        if self.year != other.year:
+        if other == None:
+            return 0
+        elif self.year != other.year:
             return cmp(self.year,other.year)
         elif self.month != other.month:
             return cmp(self.month,other.month)
diff --git a/gramps/src/const.py b/gramps/src/const.py
index c7db67949..28b79d9b7 100644
--- a/gramps/src/const.py
+++ b/gramps/src/const.py
@@ -74,7 +74,7 @@ gtkrcFile      = rootDir + os.sep + "gtkrc"
 #
 #-------------------------------------------------------------------------
 progName     = "gramps"
-version      = "0.3.2"
+version      = "0.4.0pre"
 copyright    = "(C) 2001 Donald N. Allingham"
 authors      = ["Donald N. Allingham"]
 comments     = _("Gramps (Genealogical Research and Analysis Management Programming System) is a personal genealogy program that can be extended by using the Python programming language.")