diff --git a/apps/web/src/@types/invite-rules.ts b/apps/web/src/@types/invite-rules.ts
index b51b9d377e..bc72a5e922 100644
--- a/apps/web/src/@types/invite-rules.ts
+++ b/apps/web/src/@types/invite-rules.ts
@@ -6,7 +6,6 @@ Please see LICENSE files in the repository root for full details.
 */
 
 export const INVITE_RULES_ACCOUNT_DATA_TYPE = "org.matrix.msc4155.invite_permission_config";
-export const MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE = "org.matrix.msc4380.invite_permission_config";
 
 export interface InviteConfigAccountData {
     allowed_users?: string[];
diff --git a/apps/web/src/@types/matrix-js-sdk.d.ts b/apps/web/src/@types/matrix-js-sdk.d.ts
index 802ae0da21..3f36190e4e 100644
--- a/apps/web/src/@types/matrix-js-sdk.d.ts
+++ b/apps/web/src/@types/matrix-js-sdk.d.ts
@@ -15,11 +15,7 @@ import type { EmptyObject } from "matrix-js-sdk/src/matrix";
 import type { DeviceClientInformation } from "../utils/device/types.ts";
 import type { UserWidget } from "../utils/WidgetUtils-types.ts";
 import { type MediaPreviewConfig } from "./media_preview.ts";
-import {
-    type INVITE_RULES_ACCOUNT_DATA_TYPE,
-    type InviteConfigAccountData,
-    type MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE,
-} from "./invite-rules.ts";
+import { type INVITE_RULES_ACCOUNT_DATA_TYPE, type InviteConfigAccountData } from "./invite-rules.ts";
 
 // Extend Matrix JS SDK types via Typescript declaration merging to support unspecced event fields and types
 declare module "matrix-js-sdk/src/types" {
@@ -96,8 +92,6 @@ declare module "matrix-js-sdk/src/types" {
         // MSC4155: Invite filtering
         [INVITE_RULES_ACCOUNT_DATA_TYPE]: InviteConfigAccountData;
 
-        [MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE]: { default_action?: "allow" | "block" };
-
         "io.element.msc4278.media_preview_config": MediaPreviewConfig;
 
         // Indicate whether recovery is enabled or disabled
diff --git a/apps/web/src/settings/controllers/BlockInvitesConfigController.ts b/apps/web/src/settings/controllers/BlockInvitesConfigController.ts
index dffcb0852b..a945dbb384 100644
--- a/apps/web/src/settings/controllers/BlockInvitesConfigController.ts
+++ b/apps/web/src/settings/controllers/BlockInvitesConfigController.ts
@@ -5,8 +5,9 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Com
 Please see LICENSE files in the repository root for full details.
 */
 
+import { EventType } from "matrix-js-sdk/src/matrix";
+
 import { type SettingLevel } from "../SettingLevel.ts";
-import { MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE } from "../../@types/invite-rules.ts";
 import { _td } from "../../languageHandler.tsx";
 import ServerSupportUnstableFeatureController from "./ServerSupportUnstableFeatureController.ts";
 import { defaultWatchManager, type SettingKey } from "../Settings.tsx";
@@ -17,11 +18,17 @@ import { defaultWatchManager, type SettingKey } from "../Settings.tsx";
  */
 export default class BlockInvitesConfigController extends ServerSupportUnstableFeatureController {
     public constructor(settingName: SettingKey) {
-        super(settingName, defaultWatchManager, [["org.matrix.msc4380"]], undefined, _td("settings|not_supported"));
+        super(
+            settingName,
+            defaultWatchManager,
+            [["org.matrix.msc4380.stable"]],
+            "v1.18",
+            _td("settings|not_supported"),
+        );
     }
 
     public getValueOverride(_level: SettingLevel): boolean {
-        const accountData = this.client?.getAccountData(MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE)?.getContent();
+        const accountData = this.client?.getAccountData(EventType.InvitePermissionConfig)?.getContent();
         return accountData?.default_action == "block";
     }
 
@@ -29,8 +36,8 @@ export default class BlockInvitesConfigController extends ServerSupportUnstableF
         if (!this.client) {
             return false;
         }
-        const newDefault = newValue ? "block" : "allow";
-        await this.client.setAccountData(MSC4380_INVITE_RULES_ACCOUNT_DATA_TYPE, { default_action: newDefault });
+
+        await this.client.setAccountData(EventType.InvitePermissionConfig, newValue ? { default_action: "block" } : {});
         return true;
     }
 }
diff --git a/apps/web/test/unit-tests/settings/controllers/BlockInvitesConfigController-test.ts b/apps/web/test/unit-tests/settings/controllers/BlockInvitesConfigController-test.ts
index 368d4a3032..55ef127545 100644
--- a/apps/web/test/unit-tests/settings/controllers/BlockInvitesConfigController-test.ts
+++ b/apps/web/test/unit-tests/settings/controllers/BlockInvitesConfigController-test.ts
@@ -34,7 +34,7 @@ describe("BlockInvitesConfigController", () => {
         beforeEach(async () => {
             cli = stubClient();
             cli.doesServerSupportUnstableFeature = jest.fn(async (feature) => {
-                return feature == "org.matrix.msc4380";
+                return feature == "org.matrix.msc4380.stable";
             });
             MatrixClientBackedController.matrixClient = cli;
         });
@@ -65,7 +65,7 @@ describe("BlockInvitesConfigController", () => {
                 const controller = SETTINGS.blockInvites.controller!;
                 await controller.beforeChange(SettingLevel.DEVICE, null, true);
                 expect(cli.setAccountData).toHaveBeenCalledTimes(1);
-                expect(cli.setAccountData).toHaveBeenCalledWith("org.matrix.msc4380.invite_permission_config", {
+                expect(cli.setAccountData).toHaveBeenCalledWith("m.invite_permission_config", {
                     default_action: "block",
                 });
             });
@@ -74,9 +74,7 @@ describe("BlockInvitesConfigController", () => {
                 const controller = SETTINGS.blockInvites.controller!;
                 await controller.beforeChange(SettingLevel.DEVICE, null, false);
                 expect(cli.setAccountData).toHaveBeenCalledTimes(1);
-                expect(cli.setAccountData).toHaveBeenCalledWith("org.matrix.msc4380.invite_permission_config", {
-                    default_action: "allow",
-                });
+                expect(cli.setAccountData).toHaveBeenCalledWith("m.invite_permission_config", {});
             });
         });
     });
@@ -84,13 +82,13 @@ describe("BlockInvitesConfigController", () => {
 
 /**
  * Add a mock implementation for {@link MatrixClient.getAccountData} which will return the given data
- * in respomsnse to any request for `org.matrix.msc4380.invite_permission_config`.
+ * in response to any request for `m.invite_permission_config`.
  */
 function mockAccountData(cli: MatrixClient, mockAccountData: object) {
     mocked(cli.getAccountData).mockImplementation((eventType) => {
-        if (eventType == "org.matrix.msc4380.invite_permission_config") {
+        if (eventType == "m.invite_permission_config") {
             return new MatrixEvent({
-                type: "org.matrix.msc4380.invite_permission_config",
+                type: "m.invite_permission_config",
                 content: mockAccountData,
             });
         } else {