diff --git a/addons/sale_project/models/__init__.py b/addons/sale_project/models/__init__.py
index 2ca122c0b24..b627bbd3dd6 100644
--- a/addons/sale_project/models/__init__.py
+++ b/addons/sale_project/models/__init__.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+from . import account_move
 from . import product
 from . import project
 from . import project_milestone
diff --git a/addons/sale_project/models/account_move.py b/addons/sale_project/models/account_move.py
new file mode 100644
index 00000000000..5179cde0281
--- /dev/null
+++ b/addons/sale_project/models/account_move.py
@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+
+from odoo import models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = 'account.move.line'
+
+    def _compute_analytic_account_id(self):
+        # when a project creates an aml, it adds an analytic account to it. the following filter is to save this
+        # analytic account from being overridden by analytic default rules and lack thereof
+        project_amls = self.filtered(lambda aml: aml.analytic_account_id and any(aml.sale_line_ids.project_id))
+        super(AccountMoveLine, self - project_amls)._compute_analytic_account_id()