diff --git a/lib/extensions.py b/lib/extensions.py
index 3fd9803f..fca79738 100644
--- a/lib/extensions.py
+++ b/lib/extensions.py
@@ -56,7 +56,7 @@ try:
 except:
     pass
 
-from _psycopg import adapt, adapters, encodings, connection, cursor, lobject
+from _psycopg import adapt, adapters, encodings, connection, cursor, lobject, Xid
 from _psycopg import string_types, binary_types, new_type, register_type
 from _psycopg import ISQLQuote, Notify
 
diff --git a/psycopg/psycopgmodule.c b/psycopg/psycopgmodule.c
index 2fff7242..4764b8ea 100644
--- a/psycopg/psycopgmodule.c
+++ b/psycopg/psycopgmodule.c
@@ -826,6 +826,7 @@ init_psycopg(void)
     PyModule_AddObject(module, "cursor", (PyObject*)&cursorType);
     PyModule_AddObject(module, "ISQLQuote", (PyObject*)&isqlquoteType);
     PyModule_AddObject(module, "Notify", (PyObject*)&NotifyType);
+    PyModule_AddObject(module, "Xid", (PyObject*)&XidType);
 #ifdef PSYCOPG_EXTENSIONS
     PyModule_AddObject(module, "lobject", (PyObject*)&lobjectType);
 #endif