diff --git a/addons/project/__manifest__.py b/addons/project/__manifest__.py
index b8a9f8e49f9..e22e56c315e 100644
--- a/addons/project/__manifest__.py
+++ b/addons/project/__manifest__.py
@@ -90,6 +90,7 @@
         ],
         'web.assets_tests': [
             'project/static/tests/tours/**/*',
+            'project/static/tests/views/**/*',
         ],
         'project.webclient': [
             ('include', 'web._assets_helpers'),
diff --git a/addons/project/static/src/views/project_task_list/project_task_list_renderer.js b/addons/project/static/src/views/project_task_list/project_task_list_renderer.js
index e1d01a68546..8ff3e9d0552 100644
--- a/addons/project/static/src/views/project_task_list/project_task_list_renderer.js
+++ b/addons/project/static/src/views/project_task_list/project_task_list_renderer.js
@@ -4,7 +4,7 @@ import { ListRenderer } from "@web/views/list/list_renderer";
 import { getRawValue } from "@web/views/kanban/kanban_record";
 
 export class ProjectTaskListRenderer extends ListRenderer {
-    getCellReadonly(column, record) {
+    isCellReadonly(column, record) {
         let readonly = false;
         const selection = this.props.list.selection;
         if (column.name === "stage_id" && selection.length) {
@@ -13,6 +13,6 @@ export class ProjectTaskListRenderer extends ListRenderer {
                 (task) => getRawValue(task, "project_id") !== projectId
             );
         }
-        return readonly || super.getCellReadonly(column, record);
+        return readonly || super.isCellReadonly(column, record);
     }
 }
diff --git a/addons/project/static/tests/views/project_task_list/project_task_list_view_tests.js b/addons/project/static/tests/views/project_task_list/project_task_list_view_tests.js
new file mode 100644
index 00000000000..34911ce75f5
--- /dev/null
+++ b/addons/project/static/tests/views/project_task_list/project_task_list_view_tests.js
@@ -0,0 +1,79 @@
+/** @odoo-module **/
+
+import { click, getFixture } from "@web/../tests/helpers/utils";
+import { makeView, setupViewRegistries } from "@web/../tests/views/helpers";
+
+QUnit.module("Project Task List View", (hooks) => {
+    QUnit.test("cannot edit stage_id with different projects", async function (assert) {
+        const target = getFixture();
+        setupViewRegistries();
+        await makeView({
+            type: "list",
+            resModel: "project.task",
+            arch: `
+                <tree multi_edit="1" js_class="project_task_list">
+                    <field name="project_id"/>
+                    <field name="stage_id"/>
+                </tree>
+            `,
+            serverData: {
+                models: {
+                    "project.task": {
+                        fields: {
+                            project_id: {
+                                string: "Project",
+                                type: "many2one",
+                                relation: "project.project",
+                            },
+                            stage_id: {
+                                string: "Stage",
+                                type: "many2one",
+                                relation: "project.task.type",
+                            }
+                        },
+                        records: [
+                            {
+                                id: 1,
+                                project_id: 1,
+                                stage_id: 1,
+                            }, {
+                                id: 2,
+                                project_id: 2,
+                                stage_id: 1,
+                            },
+                        ],
+                    },
+                    "project.project": {
+                        records: [
+                            {
+                                id: 1,
+                            }, {
+                                id: 2,
+                            },
+                        ],
+                    },
+                    "project.task.type": {
+                        records: [
+                            {
+                                id: 1,
+                            }, {
+                                id: 2,
+                            },
+                        ],
+                    },
+                },
+            }
+        });
+
+        const [firstRow, secondRow] = target.querySelectorAll(".o_data_row");
+        await click(firstRow.querySelector(".o_data_row .o_list_record_selector input"));
+        assert.containsNone(firstRow, ".o_readonly_modifier", "None of the fields should be readonly");
+        assert.containsNone(secondRow, ".o_readonly_modifier", "None of the fields should be readonly");
+
+        await click(secondRow.querySelector(".o_data_row .o_list_record_selector input"));
+        assert.containsOnce(firstRow, ".o_readonly_modifier");
+        assert.hasClass(firstRow.querySelectorAll(".o_data_cell")[1], "o_readonly_modifier", "The stage_id should be readonly");
+        assert.containsOnce(secondRow, ".o_readonly_modifier");
+        assert.hasClass(secondRow.querySelectorAll(".o_data_cell")[1], "o_readonly_modifier", "The stage_id should be readonly");
+    });
+});
diff --git a/addons/web/static/src/views/list/list_renderer.js b/addons/web/static/src/views/list/list_renderer.js
index 4099442a1c9..4c89e49d95a 100644
--- a/addons/web/static/src/views/list/list_renderer.js
+++ b/addons/web/static/src/views/list/list_renderer.js
@@ -258,7 +258,7 @@ export class ListRenderer extends Component {
     }
 
     getFieldProps(record, column) {
-        if (this.isCellReadonly(column, record)) {
+        if (this.isCellReadonly(column, record) || (this.props.activeActions?.edit === false && !record.isNew)) {
             return {
                 readonly: true,
             };
diff --git a/addons/web/static/src/views/list/list_renderer.xml b/addons/web/static/src/views/list/list_renderer.xml
index 5d5df5ba627..1b15a4d0bbd 100644
--- a/addons/web/static/src/views/list/list_renderer.xml
+++ b/addons/web/static/src/views/list/list_renderer.xml
@@ -237,7 +237,7 @@
                         t-on-click="(ev) => this.onCellClicked(record, column, ev)" tabindex="-1">
                         <t t-if="!isInvisible">
                             <t t-if="canUseFormatter(column, record)" t-out="getFormattedValue(column, record)"/>
-                            <Field t-else="" name="column.name" record="record" type="column.widget" class="getFieldClass(column)" fieldInfo="column" t-props="getFieldProps(record, column)" readonly="props.activeActions?.edit === false and !record.isNew"/>
+                            <Field t-else="" name="column.name" record="record" type="column.widget" class="getFieldClass(column)" fieldInfo="column" t-props="getFieldProps(record, column)"/>
                         </t>
                     </td>
                 </t>