diff --git a/addons/web/static/src/views/widgets/attach_document/attach_document.js b/addons/web/static/src/views/widgets/attach_document/attach_document.js
index 7ce0b9ca480..975ee5d83df 100644
--- a/addons/web/static/src/views/widgets/attach_document/attach_document.js
+++ b/addons/web/static/src/views/widgets/attach_document/attach_document.js
@@ -14,12 +14,13 @@ class AttachDocumentWidget extends Component {
     }
 
     async onFileUploaded(files) {
-        const { action } = this.props;
+        const { action, record } = this.props;
         if (action) {
-            const { model, resId, resModel } = this.props.record;
+            const { model, resId, resModel } = record;
             await this.orm.call(resModel, action, [resId], {
                 attachment_ids: files.map((file) => file.id),
             });
+            await record.load();
             model.notify();
         }
     }
diff --git a/addons/web/static/tests/views/widgets/attach_document_tests.js b/addons/web/static/tests/views/widgets/attach_document_tests.js
index c76eb9a9d34..892e8df4741 100644
--- a/addons/web/static/tests/views/widgets/attach_document_tests.js
+++ b/addons/web/static/tests/views/widgets/attach_document_tests.js
@@ -53,17 +53,19 @@ QUnit.module("Widgets", (hooks) => {
             serverData,
             resId: 1,
             mockRPC(route, args) {
+                assert.step(args.method);
                 if (args.method === "my_action") {
-                    assert.step("my_action");
                     assert.deepEqual(args.model, "partner");
                     assert.deepEqual(args.args, [1]);
                     assert.deepEqual(args.kwargs.attachment_ids, [5, 2]);
                     return true;
                 }
                 if (args.method === "write") {
-                    assert.step("write");
                     assert.deepEqual(args.args[1], { display_name: "yop" });
                 }
+                if (args.method === "read") {
+                    assert.deepEqual(args.args[0], [1]);
+                }
             },
             arch: `
                 <form>
@@ -71,6 +73,7 @@ QUnit.module("Widgets", (hooks) => {
                     <field name="display_name" required="1"/>
                 </form>`,
         });
+        assert.verifySteps(["get_views", "read"]);
 
         await editInput(target, "[name='display_name'] input", "yop");
         await click(target, ".o_attach_document");
@@ -81,6 +84,61 @@ QUnit.module("Widgets", (hooks) => {
             {},
             { skipVisibilityCheck: true }
         );
-        assert.verifySteps(["write", "post", "my_action"]);
+        assert.verifySteps(["write", "read", "post", "my_action", "read"]);
     });
+
+    QUnit.test(
+        "attach document widget calls action with attachment ids on a new record",
+        async function (assert) {
+            serviceRegistry.add("http", {
+                start: () => ({
+                    post: (route, params) => {
+                        assert.step("post");
+                        assert.strictEqual(route, "/web/binary/upload_attachment");
+                        assert.strictEqual(params.model, "partner");
+                        assert.strictEqual(params.id, 2);
+                        return '[{ "id": 5 }, { "id": 2 }]';
+                    },
+                }),
+            });
+
+            await makeView({
+                type: "form",
+                resModel: "partner",
+                serverData,
+                mockRPC(route, args) {
+                    assert.step(args.method);
+                    if (args.method === "my_action") {
+                        assert.deepEqual(args.model, "partner");
+                        assert.deepEqual(args.args, [2]);
+                        assert.deepEqual(args.kwargs.attachment_ids, [5, 2]);
+                        return true;
+                    }
+                    if (args.method === "create") {
+                        assert.deepEqual(args.args[0], { display_name: "yop" });
+                    }
+                    if (args.method === "read") {
+                        assert.deepEqual(args.args[0], [2]);
+                    }
+                },
+                arch: `
+                <form>
+                    <widget name="attach_document" action="my_action" string="Attach document"/>
+                    <field name="display_name" required="1"/>
+                </form>`,
+            });
+            assert.verifySteps(["get_views", "onchange"]);
+
+            await editInput(target, "[name='display_name'] input", "yop");
+            await click(target, ".o_attach_document");
+            await triggerEvent(
+                target,
+                ".o_file_input input",
+                "change",
+                {},
+                { skipVisibilityCheck: true }
+            );
+            assert.verifySteps(["create", "read", "post", "my_action", "read"]);
+        }
+    );
 });