diff --git a/addons/web/static/src/legacy/legacy_client_actions.js b/addons/web/static/src/legacy/legacy_client_actions.js
index b649b537653..37334e64bb7 100644
--- a/addons/web/static/src/legacy/legacy_client_actions.js
+++ b/addons/web/static/src/legacy/legacy_client_actions.js
@@ -1,6 +1,7 @@
 /** @odoo-module **/
 
 import { registry } from "@web/core/registry";
+import { useService } from "@web/core/utils/hooks";
 import { action_registry as legacyActionRegistry } from "web.core";
 import Widget from "web.Widget";
 import { setScrollPosition } from "../core/utils/scrolling";
@@ -36,7 +37,14 @@ function registerClientAction(name, action) {
                         options[key] = this.props[key];
                     }
                 }
-                this.widgetArgs = [this.props.action, options];
+
+                // always add user context to the action context
+                this.user = useService("user");
+                const clientAction = Object.assign({}, this.props.action, {
+                    context: Object.assign({}, this.user.context, this.props.action.context),
+                });
+
+                this.widgetArgs = [clientAction, options];
                 this.widget = this.props.state && this.props.state.__legacy_widget__;
                 this.onReverseBreadcrumb =
                     this.props.state && this.props.state.__on_reverse_breadcrumb__;
diff --git a/addons/web/static/src/legacy/legacy_views.js b/addons/web/static/src/legacy/legacy_views.js
index 48876eed3e2..02f04fdb50d 100644
--- a/addons/web/static/src/legacy/legacy_views.js
+++ b/addons/web/static/src/legacy/legacy_views.js
@@ -51,9 +51,15 @@ function registerView(name, LegacyView) {
                 searchPanel = globalState.searchPanel;
             }
 
+            // always add user context to the action context
+            this.user = useService("user");
+            const action = Object.assign({}, this.props.action, {
+                context: Object.assign({}, this.user.context, this.props.action.context),
+            });
+
             const { actionFlags, breadcrumbs = [] } = this.env.config;
             this.viewParams = Object.assign({}, actionFlags, {
-                action: this.props.action,
+                action,
                 // legacy views automatically add the last part of the breadcrumbs
                 breadcrumbs: breadcrumbsToLegacy(breadcrumbs),
                 modelName: this.props.resModel,
diff --git a/addons/web/static/tests/webclient/actions/legacy_tests.js b/addons/web/static/tests/webclient/actions/legacy_tests.js
index bf6aa011919..6dafcca704d 100644
--- a/addons/web/static/tests/webclient/actions/legacy_tests.js
+++ b/addons/web/static/tests/webclient/actions/legacy_tests.js
@@ -10,7 +10,7 @@ import { makeTestEnv } from "../../helpers/mock_env";
 import { createWebClient, doAction, getActionManagerServerData } from "./../helpers";
 import makeTestEnvironment from "web.test_env";
 
-import { ClientActionAdapter } from "@web/legacy/action_adapters";
+import { ClientActionAdapter, ViewAdapter } from "@web/legacy/action_adapters";
 import { makeLegacyCrashManagerService } from "@web/legacy/utils";
 import { useDebugCategory } from "@web/core/debug/debug_context";
 import { ErrorDialog } from "@web/core/errors/error_dialogs";
@@ -409,4 +409,35 @@ QUnit.module("ActionManager", (hooks) => {
         assert.verifySteps(["do action"]);
         delete SystrayMenu.Items.FakeSystrayItemWidget;
     });
+
+    QUnit.test("usercontext always added to legacy actions", async (assert) => {
+        assert.expect(8);
+        core.action_registry.add("testClientAction", AbstractAction);
+        registerCleanup(() => delete core.action_registry.map.testClientAction);
+        patchWithCleanup(ClientActionAdapter.prototype, {
+            setup() {
+                assert.step("ClientActionAdapter");
+                const action = { ...this.props.widgetArgs[0] };
+                const originalAction = JSON.parse(action._originalAction);
+                assert.deepEqual(originalAction.context, undefined);
+                assert.deepEqual(action.context, this.env.services.user.context);
+                this._super();
+            },
+        });
+        patchWithCleanup(ViewAdapter.prototype, {
+            setup() {
+                assert.step("ViewAdapter");
+                const action = { ...this.props.viewParams.action };
+                const originalAction = JSON.parse(action._originalAction);
+                assert.deepEqual(originalAction.context, undefined);
+                assert.deepEqual(action.context, this.env.services.user.context);
+                this._super();
+            },
+        });
+        const webClient = await createWebClient({ serverData });
+        await doAction(webClient, "testClientAction");
+        assert.verifySteps(["ClientActionAdapter"]);
+        await doAction(webClient, 1);
+        assert.verifySteps(["ViewAdapter"]);
+    });
 });