diff --git a/src/gen/lib/grampstype.py b/src/gen/lib/grampstype.py
index 8430934fc..26994bbfe 100644
--- a/src/gen/lib/grampstype.py
+++ b/src/gen/lib/grampstype.py
@@ -95,14 +95,13 @@ class GrampsType(object):
     
     __metaclass__ = GrampsTypeMeta
     
+    @classmethod
     def __class_init__(cls, namespace):
         cls._I2SMAP = _init_map(cls._DATAMAP, 0, 1, cls._BLACKLIST)
         cls._S2IMAP = _init_map(cls._DATAMAP, 1, 0, cls._BLACKLIST)
         cls._I2EMAP = _init_map(cls._DATAMAP, 0, 2, cls._BLACKLIST)
         cls._E2IMAP = _init_map(cls._DATAMAP, 2, 0, cls._BLACKLIST)
     
-    __class_init__ = classmethod(__class_init__)
-    
     def __init__(self, value=None):
         """
         Create a new type, initialize the value from one of several possible