diff --git a/module_analysis/README.rst b/module_analysis/README.rst
index 0ef3d66c8..7c4986615 100644
--- a/module_analysis/README.rst
+++ b/module_analysis/README.rst
@@ -56,9 +56,8 @@ Installation
 
 To use this module, you have to install the application ``cloc``
 
-.. code-block:: shell
+``sudo apt-get install cloc``
 
-    sudo apt-get install cloc
 
 Configuration
 =============
diff --git a/module_analysis/__init__.py b/module_analysis/__init__.py
index 0650744f6..b4e782e8d 100644
--- a/module_analysis/__init__.py
+++ b/module_analysis/__init__.py
@@ -1 +1,19 @@
 from . import models
+
+# Copyright 2016-2018 Akretion France
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, SUPERUSER_ID
+
+
+def post_init_hook(cr, registry):
+    """This post_install script is required because, when the module
+    is installed, Odoo creates the column in the DB and compute the field
+    and THEN it loads the file data/res_country_department_data.yml...
+    So, when it computes the field on module installation, the
+    departments are not available in the DB, so the department_id field
+    on res.partner stays null. This post_install script fixes this."""
+    print("=====================")
+    print("=====================")
+    print("=====================")
diff --git a/module_analysis/__manifest__.py b/module_analysis/__manifest__.py
index fe304b429..7c1e35341 100644
--- a/module_analysis/__manifest__.py
+++ b/module_analysis/__manifest__.py
@@ -29,5 +29,6 @@
     'external_dependencies': {
         'lib': ['cloc'],
     },
+    'post_init_hook': 'post_init_hook',
     'installable': True,
 }
diff --git a/module_analysis/readme/INSTALL.rst b/module_analysis/readme/INSTALL.rst
index 019f9c023..0064beeb9 100644
--- a/module_analysis/readme/INSTALL.rst
+++ b/module_analysis/readme/INSTALL.rst
@@ -1,5 +1,3 @@
 To use this module, you have to install the application ``cloc``
 
-.. code-block:: shell
-
-    sudo apt-get install cloc
+``sudo apt-get install cloc``