diff --git a/src/gen/lib/eventref.py b/src/gen/lib/eventref.py
index 3a9aca0d0..32a3ef39c 100644
--- a/src/gen/lib/eventref.py
+++ b/src/gen/lib/eventref.py
@@ -49,7 +49,12 @@ class EventRef(SecondaryObject, PrivacyBase, NoteBase, AttributeBase, RefBase):
     to the refereneced event.
     """
 
-    __slots__=('.__role')
+    __slots__=('__role')
+
+    def __getstate__(self):
+        return{'__role': self.__role}
+    def __setstate__(self,dict_):
+        self.__role = dict_('__role')
 
     def __init__(self, source=None):
         """
diff --git a/src/gen/lib/grampstype.py b/src/gen/lib/grampstype.py
index 175901da9..e8575494c 100644
--- a/src/gen/lib/grampstype.py
+++ b/src/gen/lib/grampstype.py
@@ -95,6 +95,12 @@ class GrampsType(object):
     
     __metaclass__ = GrampsTypeMeta
     __slots__ = ('__value','__string')
+
+    def __getstate__(self):
+        return {'__value': self.__value,'__string': self.__string}
+    def __setstate__(self,dict_):
+        self.__value = dict_['__value']
+        self.__string = dict_['__string']
     
     @classmethod
     def __class_init__(cls, namespace):