diff --git a/trytond/modules/__init__.py b/trytond/modules/__init__.py
index 322f8a72d0..07c32150dd 100644
--- a/trytond/modules/__init__.py
+++ b/trytond/modules/__init__.py
@@ -272,6 +272,7 @@ def load_module_graph(cursor, graph, pool, lang=None):
                 report = object.__new__(Report)
                 report._name = report_name
                 pool.add(report, type='report')
+                report.__init__()
 
         cursor.commit()