diff --git a/odoo/addons/base/models/ir_config_parameter.py b/odoo/addons/base/models/ir_config_parameter.py
index 3dd77cc1304..9063b1f2337 100644
--- a/odoo/addons/base/models/ir_config_parameter.py
+++ b/odoo/addons/base/models/ir_config_parameter.py
@@ -45,6 +45,9 @@ class IrConfigParameter(models.Model):
         Initializes the parameters listed in _default_parameters.
         It overrides existing parameters if force is ``True``.
         """
+        # avoid prefetching during module installation, as the res_users table
+        # may not have all prescribed columns
+        self = self.with_context(prefetch_fields=False)
         for key, func in _default_parameters.items():
             # force=True skips search and always performs the 'if' body (because ids=False)
             params = self.sudo().search([('key', '=', key)])
diff --git a/odoo/addons/base/models/ir_default.py b/odoo/addons/base/models/ir_default.py
index 042279de073..3c0b3140220 100644
--- a/odoo/addons/base/models/ir_default.py
+++ b/odoo/addons/base/models/ir_default.py
@@ -117,7 +117,7 @@ class IrDefault(models.Model):
         return json.loads(default.json_value) if default else None
 
     @api.model
-    @tools.ormcache('self.env.uid', 'model_name', 'condition')
+    @tools.ormcache('self.env.uid', 'self.env.company.id', 'model_name', 'condition')
     # Note about ormcache invalidation: it is not needed when deleting a field,
     # a user, or a company, as the corresponding defaults will no longer be
     # requested. It must only be done when a user's company is modified.
@@ -126,16 +126,16 @@ class IrDefault(models.Model):
             current user), as a dict mapping field names to values.
         """
         cr = self.env.cr
-        query = """ SELECT f.name, d.json_value FROM ir_default d
+        query = """ SELECT f.name, d.json_value
+                    FROM ir_default d
                     JOIN ir_model_fields f ON d.field_id=f.id
-                    JOIN res_users u ON u.id=%s
                     WHERE f.model=%s
-                        AND (d.user_id IS NULL OR d.user_id=u.id)
-                        AND (d.company_id IS NULL OR d.company_id=u.company_id)
+                        AND (d.user_id IS NULL OR d.user_id=%s)
+                        AND (d.company_id IS NULL OR d.company_id=%s)
                         AND {}
                     ORDER BY d.user_id, d.company_id, d.id
                 """
-        params = [self.env.uid, model_name]
+        params = [model_name, self.env.uid, self.env.company.id]
         if condition:
             query = query.format("d.condition=%s")
             params.append(condition)
diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index 06df0a5a732..0eefb630525 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -503,8 +503,6 @@ class Users(models.Model):
                 # if partner is global we keep it that way
                 if user.partner_id.company_id and user.partner_id.company_id.id != values['company_id']:
                     user.partner_id.write({'company_id': user.company_id.id})
-            # clear default ir values when company changes
-            self.env['ir.default'].clear_caches()
 
         if 'company_id' in values or 'company_ids' in values:
             # Reset lazy properties `company` & `companies` on all envs
diff --git a/odoo/addons/base/tests/test_ir_default.py b/odoo/addons/base/tests/test_ir_default.py
index 57855de9b33..667e8d7c845 100644
--- a/odoo/addons/base/tests/test_ir_default.py
+++ b/odoo/addons/base/tests/test_ir_default.py
@@ -106,3 +106,40 @@ class TestIrDefault(TransactionCase):
         # delete the record, and check the presence of the default value
         title.unlink()
         self.assertEqual(IrDefault.get_model_defaults('res.partner'), {})
+
+    def test_multi_company_defaults(self):
+        """Check defaults in multi-company environment."""
+        company_a = self.env["res.company"].create({"name": "C_A"})
+        company_b = self.env["res.company"].create({"name": "C_B"})
+        company_a_b = (company_a + company_b)
+        company_b_a = (company_b + company_a)
+        multi_company_user = self.env['res.users'].create({
+            'name': 'u2', 'login': 'u2',
+            'company_id': company_a.id,
+            'company_ids': company_a_b.ids,
+        })
+        IrDefault = self.env["ir.default"].with_user(multi_company_user)
+        IrDefault.with_context(allowed_company_ids=company_a.ids).set(
+            'res.partner', 'ref', 'CADefault', user_id=True, company_id=True)
+        IrDefault.with_context(allowed_company_ids=company_b.ids).set(
+            'res.partner', 'ref', 'CBDefault', user_id=True, company_id=True)
+        self.assertEqual(
+            IrDefault.get_model_defaults('res.partner')['ref'],
+            'CADefault',
+        )
+        self.assertEqual(
+            IrDefault.with_context(allowed_company_ids=company_a.ids).get_model_defaults('res.partner')['ref'],
+            'CADefault',
+        )
+        self.assertEqual(
+            IrDefault.with_context(allowed_company_ids=company_b.ids).get_model_defaults('res.partner')['ref'],
+            'CBDefault',
+        )
+        self.assertEqual(
+            IrDefault.with_context(allowed_company_ids=company_a_b.ids).get_model_defaults('res.partner')['ref'],
+            'CADefault',
+        )
+        self.assertEqual(
+            IrDefault.with_context(allowed_company_ids=company_b_a.ids).get_model_defaults('res.partner')['ref'],
+            'CBDefault',
+        )