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 4630ba82191..8c6b6308609 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -2567,7 +2567,7 @@ var BasicModel = AbstractModel.extend({
                     count: ids.length,
                     context: record.context,
                     fieldsInfo: fieldsInfo,
-                    fields: view ? view.viewFields : fieldInfo.relatedFields,
+                    fields: view ? view.fields : fieldInfo.relatedFields,
                     limit: fieldInfo.limit,
                     modelName: field.relation,
                     res_ids: ids,
diff --git a/addons/web/static/src/js/views/form/form_view.js b/addons/web/static/src/js/views/form/form_view.js
index d8693586590..7de0f71e997 100644
--- a/addons/web/static/src/js/views/form/form_view.js
+++ b/addons/web/static/src/js/views/form/form_view.js
@@ -100,6 +100,7 @@ var FormView = BasicView.extend({
                             for (var viewName in views) {
                                 // clone to make runbot green?
                                 attrs.views[viewName] = self._processFieldsView(views[viewName], viewName);
+                                attrs.views[viewName].fields = attrs.views[viewName].viewFields;
                             }
                             self._setSubViewLimit(attrs);
                         }));
diff --git a/addons/web/static/tests/fields/relational_fields_tests.js b/addons/web/static/tests/fields/relational_fields_tests.js
index f7ab9394ebe..0d8e5dc56d4 100644
--- a/addons/web/static/tests/fields/relational_fields_tests.js
+++ b/addons/web/static/tests/fields/relational_fields_tests.js
@@ -9275,7 +9275,7 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
-    QUnit.test('onchange in a one2Many, but not in main record, with non inline view', function (assert) {
+    QUnit.test('onchange in a one2many with non inline view on an existing record', function (assert) {
         assert.expect(6);
 
         this.data.partner.fields.sequence = {string: 'Sequence', type: 'integer'};
@@ -9312,6 +9312,53 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('onchange in a one2many with non inline view on a new record', function (assert) {
+        assert.expect(8);
+
+        this.data.turtle.onchanges = {
+            display_name: function (obj) {
+                if (obj.display_name) {
+                    obj.turtle_int = 44;
+                }
+            },
+        };
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch: '<form><field name="turtles"/></form>',
+            archs: {
+                'turtle,false,list': '<tree editable="bottom">' +
+                        '<field name="display_name"/>' +
+                        '<field name="turtle_int"/>' +
+                    '</tree>',
+            },
+            mockRPC: function (route, args) {
+                assert.step(args.method || route);
+                return this._super.apply(this, arguments);
+            },
+        });
+
+        // add a row and trigger the onchange
+        form.$('.o_field_x2many_list_row_add a').click();
+        form.$('.o_data_row .o_field_widget[name=display_name]').val('a name').trigger('input');
+
+        assert.strictEqual(form.$('.o_data_row .o_field_widget[name=turtle_int]').val(), "44",
+            "should have triggered the onchange");
+
+        assert.verifySteps([
+            'load_views', // load sub list
+            'default_get', // main record
+            'onchange', // main record
+            'default_get', // sub record
+            'onchange', // sub record
+            'onchange', // edition of display_name of sub record
+        ]);
+
+        form.destroy();
+    });
+
     QUnit.test('add a line, edit it and "Save & New"', function (assert) {
         assert.expect(5);