diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index f6bf46aed68..0afb65a9a88 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -398,8 +398,14 @@ var BasicModel = AbstractModel.extend({
         // by 1 (at least until there is a gap in the numbering).
 
         // We don't do it now because it's not an important case.
+        // However, we can for sure increment by 1 if we are on the last page.
+
         var handleFieldValue = computedList.data[index].data[handleField];
-        handleFieldValue = position !== 'top' ? handleFieldValue : handleFieldValue - 1;
+        if (position === 'top') {
+            handleFieldValue--;
+        } else if (list.count <= list.offset + list.limit - (list.tempLimitIncrement || 0)) {
+            handleFieldValue++;
+        }
 
         return {
             field: handleField,
diff --git a/addons/web/static/tests/fields/relational_fields_tests.js b/addons/web/static/tests/fields/relational_fields_tests.js
index b63b2b25a0c..99f97fbda54 100644
--- a/addons/web/static/tests/fields/relational_fields_tests.js
+++ b/addons/web/static/tests/fields/relational_fields_tests.js
@@ -9552,6 +9552,74 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('one2many with sequence field, override default_get, not last page', function (assert) {
+        assert.expect(1);
+
+        this.data.partner.records[0].turtles = [3, 2, 1];
+
+        this.data.turtle.fields.turtle_int.default = 10;
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:'<form string="Partners">' +
+                    '<field name="turtles">' +
+                        '<tree limit="2">' +
+                            '<field name="turtle_int" widget="handle"/>' +
+                        '</tree>' +
+                        '<form>' +
+                            '<field name="turtle_int"/>' +
+                        '</form>' +
+                    '</field>' +
+                '</form>',
+            res_id: 1,
+            viewOptions: {
+                mode: 'edit',
+            },
+        });
+
+        // click add a new line
+        // check turtle_int for new is the current max of the page
+        $('.o_field_x2many_list_row_add a').click();
+        assert.strictEqual($('.modal .o_input[name="turtle_int"]').val(), '10');
+        form.destroy();
+    });
+
+    QUnit.test('one2many with sequence field, override default_get, last page', function (assert) {
+        assert.expect(1);
+
+        this.data.partner.records[0].turtles = [3, 2, 1];
+
+        this.data.turtle.fields.turtle_int.default = 10;
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:'<form string="Partners">' +
+                    '<field name="turtles">' +
+                        '<tree limit="4">' +
+                            '<field name="turtle_int" widget="handle"/>' +
+                        '</tree>' +
+                        '<form>' +
+                            '<field name="turtle_int"/>' +
+                        '</form>' +
+                    '</field>' +
+                '</form>',
+            res_id: 1,
+            viewOptions: {
+                mode: 'edit',
+            },
+        });
+
+        // click add a new line
+        // check turtle_int for new is the current max of the page +1
+        $('.o_field_x2many_list_row_add a').click();
+        assert.strictEqual($('.modal .o_input[name="turtle_int"]').val(), '22');
+        form.destroy();
+    });
+
     QUnit.test('one2many with sequence field, fetch name_get from empty list, field text', function (assert) {
         // There was a bug where a RPC would fail because no route was set.
         // The scenario is: