diff --git a/base_jsonify/models/models.py b/base_jsonify/models/models.py
index 6cc2c3bd6..a235fed74 100644
--- a/base_jsonify/models/models.py
+++ b/base_jsonify/models/models.py
@@ -3,8 +3,6 @@
 # Raphaël Reverdy <raphael.reverdy@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-import pytz
-
 from odoo import api, fields, models
 from odoo.exceptions import UserError
 from odoo.tools.translate import _
@@ -76,11 +74,13 @@ class Base(models.AbstractModel):
                     elif field_type == "date":
                         value = fields.Date.to_date(value).isoformat()
                     elif field_type == "datetime":
-                        value = (
-                            fields.Datetime.to_datetime(value)
-                            .replace(tzinfo=pytz.utc)
-                            .isoformat()
-                        )
+                        # Ensures value is a datetime
+                        value = fields.Datetime.to_datetime(value)
+                        # Get the timestamp converted to the client's timezone.
+                        # This call also add the tzinfo into the datetime
+                        # object
+                        value = fields.Datetime.context_timestamp(rec, value)
+                        value = value.isoformat()
                     res[json_key] = value
             result.append(res)
         return result
diff --git a/base_jsonify/tests/test_get_parser.py b/base_jsonify/tests/test_get_parser.py
index fe4198acc..c1cff67d2 100644
--- a/base_jsonify/tests/test_get_parser.py
+++ b/base_jsonify/tests/test_get_parser.py
@@ -40,6 +40,8 @@ class TestParser(TransactionCase):
         self.assertEqual(parser, expected_parser)
 
     def test_json_export(self):
+        # Enforces TZ to validate the serialization result of a Datetime
+        self.env.user.tz = "Europe/Brussels"
         parser = [
             'lang',
             'comment',
@@ -101,7 +103,7 @@ class TestParser(TransactionCase):
                 'name': 'Sebatien Beau',
                 'email': None
             }],
-            "create_date": "2019-10-31T14:39:49+00:00",
+            "create_date": "2019-10-31T15:39:49+01:00",
             "date": "2019-10-31",
         }
         json_partner = partner.jsonify(parser)