diff --git a/__manifest__.py b/__manifest__.py
index be58a74bcc5cf479b17cd7f6d2d74c676fe73a22..f588efd652d3ae479e75741f281a3f9439208dee 100644
--- a/__manifest__.py
+++ b/__manifest__.py
@@ -3,7 +3,7 @@
     "summary": "Gestion de projet de création",
     "author": "Le Filament",
     "website": "https://le-filament.com",
-    "version": "14.0.1.0.0",
+    "version": "14.0.2.0.0",
     "license": "AGPL-3",
     "depends": ["product", "stock", "sale_management", "ap_partner"],
     "data": [
diff --git a/migrations/14.0.2.0.0/post-migration.py b/migrations/14.0.2.0.0/post-migration.py
new file mode 100644
index 0000000000000000000000000000000000000000..d2944b8fc8e46fad77e69d5138af7d06fc5de6a8
--- /dev/null
+++ b/migrations/14.0.2.0.0/post-migration.py
@@ -0,0 +1,17 @@
+# Copyright 2022 Le Filament (<http://www.le-filament.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from odoo import SUPERUSER_ID, api
+
+
+def _init_partner_sale_project_seq(env):
+    for partner in (
+        env["res.partner"]
+        .with_context(active_test=False)
+        .search([("sale_project_ids", "!=", False)])
+    ):
+        partner.sale_project_seq = partner.sale_project_count
+
+
+def migrate(cr, version):
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    _init_partner_sale_project_seq(env)
diff --git a/models/res_partner.py b/models/res_partner.py
index 23f3de1105e51cfe70af00897951cecfaa9a7f05..0b72932513582498a6dea442f8a24bdd2a8df12d 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -16,6 +16,7 @@ class ResPartner(models.Model):
     sale_project_ids = fields.One2many(
         "sale.project", "partner_id", "Liste des projets"
     )
+    sale_project_seq = fields.Integer(string="Séquence de projets", default="0")
 
     # ------------------------------------------------------
     # SQL Constraints
diff --git a/models/sale_project.py b/models/sale_project.py
index 710e37d70c812a943cae913ca4d49d5e364600b5..b6f3c839c44bb8f7f1342733e35146488e9a599d 100644
--- a/models/sale_project.py
+++ b/models/sale_project.py
@@ -238,7 +238,8 @@ class SaleProject(models.Model):
         res = super().create(vals_list)
         for rec in res:
             rec.geo_sector_id = rec.sale_order_id.partner_id.geo_sector_id.id
-            seq = str(rec.sale_order_id.partner_id.sale_project_count).zfill(3)
+            rec.sale_order_id.partner_id.sale_project_seq += 1
+            seq = str(rec.sale_order_id.partner_id.sale_project_seq).zfill(3)
             if rec.saison_id:
                 saison_name = "-" + rec.saison_id.name
             else: