diff --git a/addons/base_address_extended/__init__.py b/addons/base_address_extended/__init__.py
index dc5e6b693d1..53f55eeff98 100644
--- a/addons/base_address_extended/__init__.py
+++ b/addons/base_address_extended/__init__.py
@@ -2,3 +2,9 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import models
+from odoo import api, SUPERUSER_ID
+
+
+def _update_street_format(cr, registry):
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    env['res.partner'].search([])._compute_street_data()
diff --git a/addons/base_address_extended/__manifest__.py b/addons/base_address_extended/__manifest__.py
index a28394c756d..890bf2cfc62 100644
--- a/addons/base_address_extended/__manifest__.py
+++ b/addons/base_address_extended/__manifest__.py
@@ -20,4 +20,5 @@ with the street name, the house number, and room number.
         'data/base_address_extended_data.xml',
     ],
     'depends': ['base'],
+    'post_init_hook': '_update_street_format',
 }
diff --git a/addons/base_address_extended/data/base_address_extended_data.xml b/addons/base_address_extended/data/base_address_extended_data.xml
index ae25025fee2..35b4f584e67 100644
--- a/addons/base_address_extended/data/base_address_extended_data.xml
+++ b/addons/base_address_extended/data/base_address_extended_data.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <data noupdate="1">
+        <record id="base.de" model="res.country">
+            <field eval="'%(street_name)s %(street_number)s/%(street_number2)s'" name="street_format" />
+        </record>
         <record id="base.nl" model="res.country">
             <field eval="'%(street_name)s %(street_number)s/%(street_number2)s'" name="street_format" />
         </record>