diff --git a/addons/web/static/src/legacy/js/views/form/form_renderer.js b/addons/web/static/src/legacy/js/views/form/form_renderer.js
index af5b4b3d69e..fcee6d0ee58 100644
--- a/addons/web/static/src/legacy/js/views/form/form_renderer.js
+++ b/addons/web/static/src/legacy/js/views/form/form_renderer.js
@@ -652,14 +652,19 @@ var FormRenderer = BasicRenderer.extend({
     _renderHeaderButtons: function (node) {
         var self = this;
         var buttons = [];
-        _.each(node.children, function (child) {
+        var children = [...node.children];
+        while(children.length) {
+            var child = children.shift();
             if (child.tag === 'button') {
                 buttons.push(self._renderHeaderButton(child));
             }
             if (child.tag === 'widget') {
                 buttons.push(self._renderTagWidget(child));
             }
-        });
+            if (child.children){
+                children.push(...child.children);
+            }
+        }
         return this._renderStatusbarButtons(buttons);
     },
     /**
diff --git a/addons/web/static/tests/legacy/views/form_tests.js b/addons/web/static/tests/legacy/views/form_tests.js
index d3504e29266..efb1a21f22c 100644
--- a/addons/web/static/tests/legacy/views/form_tests.js
+++ b/addons/web/static/tests/legacy/views/form_tests.js
@@ -2209,6 +2209,36 @@ QUnit.module('LegacyViews', {
         form.destroy();
     });
 
+    QUnit.test("nested buttons in form view header", async function (assert) {
+        assert.expect(4);
+
+        var form = await createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:
+                '<form string="Partners">' +
+                    '<header>' +
+                        '<button name="0"/>' +
+                        '<button name="1"/>' +
+                        '<div>' +
+                            '<button name="2"/>' +
+                            '<button name="3"/>' +
+                        '</div>' +
+                    '</header>' +
+                '</form>',
+            res_id: 2,
+        });
+
+        var buttons = form.$('.o_form_statusbar button');
+        assert.hasAttrValue(buttons[0], 'name', '0');
+        assert.hasAttrValue(buttons[1], 'name', '1');
+        assert.hasAttrValue(buttons[2], 'name', '2');
+        assert.hasAttrValue(buttons[3], 'name', '3');
+
+        form.destroy();
+    });
+
     QUnit.test('button in form view and long willStart', async function (assert) {
         assert.expect(6);
 
diff --git a/addons/web/static/tests/views/form/form_view_tests.js b/addons/web/static/tests/views/form/form_view_tests.js
index fa47aba501b..1fe2e0c0878 100644
--- a/addons/web/static/tests/views/form/form_view_tests.js
+++ b/addons/web/static/tests/views/form/form_view_tests.js
@@ -2644,6 +2644,32 @@ QUnit.module("Views", (hooks) => {
         );
     });
 
+    QUnit.test("nested buttons in form view header", async function (assert) {
+        await makeView({
+            type: "form",
+            resModel: "partner",
+            serverData,
+            arch: `
+                <form>
+                    <header>
+                        <button name="0"/>
+                        <button name="1"/>
+                        <div>
+                            <button name="2"/>
+                            <button name="3"/>
+                        </div>
+                    </header>
+                </form>`,
+            resId: 2,
+        });
+
+        const buttons = target.querySelectorAll('.o_form_statusbar button');
+        assert.strictEqual(buttons[0].attributes.name.textContent, "0");
+        assert.strictEqual(buttons[1].attributes.name.textContent, "1");
+        assert.strictEqual(buttons[2].attributes.name.textContent, "2");
+        assert.strictEqual(buttons[3].attributes.name.textContent, "3");
+    });
+
     QUnit.test("button in form view and long willStart", async function (assert) {
         const mockedActionService = {
             start() {