diff --git a/playwright/e2e/spaces/threads-activity-centre/index.ts b/playwright/e2e/spaces/threads-activity-centre/index.ts
index 30aa00375425..b30af58fca05 100644
--- a/playwright/e2e/spaces/threads-activity-centre/index.ts
+++ b/playwright/e2e/spaces/threads-activity-centre/index.ts
@@ -330,23 +330,27 @@ export class Helpers {
      * @param room1
      * @param room2
      * @param msg - MessageBuilder
+     * @param hasMention - whether to include a mention in the first message
      */
     async populateThreads(
         room1: { name: string; roomId: string },
         room2: { name: string; roomId: string },
         msg: MessageBuilder,
+        hasMention = true,
     ) {
-        await this.receiveMessages(room2, [
-            "Msg1",
-            msg.threadedOff("Msg1", {
-                "body": "User",
-                "format": "org.matrix.custom.html",
-                "formatted_body": "<a href='https://matrix.to/#/@user:localhost'>User</a>",
-                "m.mentions": {
-                    user_ids: ["@user:localhost"],
-                },
-            }),
-        ]);
+        if (hasMention) {
+            await this.receiveMessages(room2, [
+                "Msg1",
+                msg.threadedOff("Msg1", {
+                    "body": "User",
+                    "format": "org.matrix.custom.html",
+                    "formatted_body": "<a href='https://matrix.to/#/@user:localhost'>User</a>",
+                    "m.mentions": {
+                        user_ids: ["@user:localhost"],
+                    },
+                }),
+            ]);
+        }
         await this.receiveMessages(room2, ["Msg2", msg.threadedOff("Msg2", "Resp2")]);
         await this.receiveMessages(room1, ["Msg3", msg.threadedOff("Msg3", "Resp3")]);
     }
diff --git a/playwright/e2e/spaces/threads-activity-centre/threadsActivityCentre.spec.ts b/playwright/e2e/spaces/threads-activity-centre/threadsActivityCentre.spec.ts
index f86228def2e0..b199599e61b0 100644
--- a/playwright/e2e/spaces/threads-activity-centre/threadsActivityCentre.spec.ts
+++ b/playwright/e2e/spaces/threads-activity-centre/threadsActivityCentre.spec.ts
@@ -112,6 +112,16 @@ test.describe("Threads Activity Centre", () => {
         await expect(util.getTacPanel()).toMatchScreenshot("tac-panel-notification-unread.png");
     });
 
+    test("should order by recency after notification level", async ({ room1, room2, util, msg }) => {
+        await util.populateThreads(room1, room2, msg, false);
+
+        await util.openTac();
+        await util.assertRoomsInTac([
+            { room: room1.name, notificationLevel: "notification" },
+            { room: room2.name, notificationLevel: "notification" },
+        ]);
+    });
+
     test("should block the Spotlight to open when the TAC is opened", async ({ util, page }) => {
         const toggleSpotlight = () => page.keyboard.press(`${CommandOrControl}+k`);
 
@@ -126,8 +136,4 @@ test.describe("Threads Activity Centre", () => {
         await toggleSpotlight();
         await expect(page.locator(".mx_SpotlightDialog")).not.toBeVisible();
     });
-
-    // test("miaou", async ({ roomAlpha: room1, roomBeta: room2, roomAlphaName: room3, util, msg }) => {
-    //     await util.populateThreads(room1, room2, msg);
-    // });
 });