diff --git a/__init__.py b/__init__.py
index 542096c..081b1db 100644
--- a/__init__.py
+++ b/__init__.py
@@ -13,8 +13,8 @@ def register():
         purchase.PurchaseLine,
         sale.Sale,
         sale.SaleLine,
-        module='analytic_operation', type_='model')
+        module='analytic_operations', type_='model')
     Pool.register(
-        module='analytic_operation', type_='wizard')
+        module='analytic_operations', type_='wizard')
     Pool.register(
-        module='analytic_operation', type_='report')
+        module='analytic_operations', type_='report')