diff --git a/base_exception/__init__.py b/base_exception/__init__.py
index 3c4dc4909..01e5383e5 100644
--- a/base_exception/__init__.py
+++ b/base_exception/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# © 2011 Raphaël Valyi, Renato Lima, Guewen Baconnier, Sodexis
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from . import wizard, models
+from .hooks import pre_init_hook
diff --git a/base_exception/__manifest__.py b/base_exception/__manifest__.py
index 6a42b0b1b..422e24dfb 100644
--- a/base_exception/__manifest__.py
+++ b/base_exception/__manifest__.py
@@ -18,4 +18,5 @@
      'views/base_exception_view.xml',
  ],
  'installable': True,
+ 'pre_init_hook': 'pre_init_hook',
  }
diff --git a/base_exception/hooks.py b/base_exception/hooks.py
new file mode 100644
index 000000000..9a1f8ba38
--- /dev/null
+++ b/base_exception/hooks.py
@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# Copyright 2017 Akretion, Mourad EL HADJ MIMOUNE
+# Copyright 2018 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+
+def pre_init_hook(cr):
+    """If coming from v9 where only `sale_exception` is installed, when
+    auto-installing this one by dependencies, we should take care of
+    renaming previous table before the new model is loaded.
+    """
+    cr.execute("SELECT 1 FROM pg_class WHERE relname = 'sale_exception'")
+    if not cr.fetchone():
+        return  # fresh install, so exiting
+    from openupgradelib import openupgrade
+    openupgrade.rename_tables(cr, [('sale_exception', 'exception_rule')])
+    openupgrade.rename_models(cr, [('sale.exception', 'exception.rule')])
diff --git a/base_exception/migrations/10.0.1.0.0/pre-migration.py b/base_exception/migrations/10.0.1.0.0/pre-migration.py
deleted file mode 100644
index 35600697f..000000000
--- a/base_exception/migrations/10.0.1.0.0/pre-migration.py
+++ /dev/null
@@ -1,12 +0,0 @@
-# -*- coding: utf-8 -*-
-# © 2017 Akretion, Mourad EL HADJ MIMOUNE
-# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
-
-from openupgradelib import openupgrade
-
-
-@openupgrade.migrate(use_env=True)
-def migrate(env, version):
-    cr = env.cr
-    openupgrade.rename_tables(cr, [('sale_exception', 'exception_rule')])
-    openupgrade.rename_models(cr, [('sale.exception', 'exception.rule')])