diff --git a/addons/web/static/src/webclient/actions/action_service.js b/addons/web/static/src/webclient/actions/action_service.js
index 98460c64c08..99faa0016a6 100644
--- a/addons/web/static/src/webclient/actions/action_service.js
+++ b/addons/web/static/src/webclient/actions/action_service.js
@@ -186,13 +186,14 @@ function makeActionManager(env) {
             action.domain =
                 typeof domain === "string" ? evaluateExpr(domain, action.context) : domain;
         }
-        action = Object.assign({}, action); // manipulate a copy
+        action = { ...action }; // manipulate a copy to keep cached action unmodified
         action._originalAction = JSON.stringify(action);
         action.jsId = `action_${++id}`;
         if (action.type === "ir.actions.act_window" || action.type === "ir.actions.client") {
             action.target = action.target || "current";
         }
         if (action.type === "ir.actions.act_window") {
+            action.views = [...action.views]; // manipulate a copy to keep cached action unmodified
             action.controllers = {};
             const target = action.target;
             if (target !== "inline" && !(target === "new" && action.views[0][1] === "form")) {
diff --git a/addons/web/static/tests/webclient/actions/window_action_tests.js b/addons/web/static/tests/webclient/actions/window_action_tests.js
index 03aa2149c21..81066885e67 100644
--- a/addons/web/static/tests/webclient/actions/window_action_tests.js
+++ b/addons/web/static/tests/webclient/actions/window_action_tests.js
@@ -2415,4 +2415,21 @@ QUnit.module("ActionManager", (hooks) => {
             "Validation Error"
         );
     });
+
+    QUnit.test("action and load_views rpcs are cached", async function (assert) {
+        const mockRPC = async (route, args) => {
+            assert.step(args.method || route);
+        };
+        const webClient = await createWebClient({ serverData, mockRPC });
+        assert.verifySteps(["/web/webclient/load_menus"]);
+
+        await doAction(webClient, 1);
+        assert.containsOnce(webClient, ".o_kanban_view");
+        assert.verifySteps(["/web/action/load", "load_views", "/web/dataset/search_read"]);
+
+        await doAction(webClient, 1);
+        assert.containsOnce(webClient, ".o_kanban_view");
+
+        assert.verifySteps(["/web/dataset/search_read"]);
+    });
 });