diff --git a/src/components/structures/RoomView.tsx b/src/components/structures/RoomView.tsx
index 486a7fb652..aed1e8c180 100644
--- a/src/components/structures/RoomView.tsx
+++ b/src/components/structures/RoomView.tsx
@@ -233,6 +233,10 @@ export interface IRoomState {
     liveTimeline?: EventTimeline;
     narrow: boolean;
     msc3946ProcessDynamicPredecessor: boolean;
+    /**
+     * Wether the room is encrypted or not.
+     */
+    isRoomEncrypted: boolean;
 
     canAskToJoin: boolean;
     promptAskToJoin: boolean;
@@ -417,6 +421,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
             canAskToJoin: this.askToJoinEnabled,
             promptAskToJoin: false,
             viewRoomOpts: { buttons: [] },
+            isRoomEncrypted: false,
         };
 
         this.dispatcherRef = dis.register(this.onAction);
@@ -903,13 +908,17 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         return isManuallyShown && widgets.length > 0;
     }
 
-    public componentDidMount(): void {
+    public async componentDidMount(): Promise<void> {
         this.onRoomViewStoreUpdate(true);
 
+        const isRoomEncrypted = Boolean(
+            this.state.roomId && (await this.context.client?.getCrypto()?.isEncryptionEnabledInRoom(this.state.roomId)),
+        );
         const call = this.getCallForRoom();
         const callState = call?.state;
         this.setState({
             callState,
+            isRoomEncrypted,
         });
 
         this.context.legacyCallHandler.on(LegacyCallHandlerEvent.CallState, this.onCallState);
@@ -1405,10 +1414,12 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         });
     }
 
-    private updatePreviewUrlVisibility({ roomId }: Room): void {
+    private async updatePreviewUrlVisibility({ roomId }: Room): Promise<void> {
+        const isRoomEncrypted = Boolean(await this.context.client?.getCrypto()?.isEncryptionEnabledInRoom(roomId));
         // URL Previews in E2EE rooms can be a privacy leak so use a different setting which is per-room explicit
-        const key = this.context.client?.isRoomEncrypted(roomId) ? "urlPreviewsEnabled_e2ee" : "urlPreviewsEnabled";
+        const key = isRoomEncrypted ? "urlPreviewsEnabled_e2ee" : "urlPreviewsEnabled";
         this.setState({
+            isRoomEncrypted,
             showUrlPreview: SettingsStore.getValue(key, roomId),
         });
     }
@@ -1452,7 +1463,11 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
     };
 
     private async updateE2EStatus(room: Room): Promise<void> {
-        if (!this.context.client?.isRoomEncrypted(room.roomId)) return;
+        if (!this.context.client) return;
+
+        const isRoomEncrypted = Boolean(await this.context.client.getCrypto()?.isEncryptionEnabledInRoom(room.roomId));
+        this.setState({ isRoomEncrypted });
+        if (!isRoomEncrypted) return;
 
         // If crypto is not currently enabled, we aren't tracking devices at all,
         // so we don't know what the answer is. Let's error on the safe side and show
@@ -2243,7 +2258,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
                     searchInfo={this.state.search}
                     onCancelClick={this.onCancelSearchClick}
                     onSearchScopeChange={this.onSearchScopeChange}
-                    isRoomEncrypted={this.context.client.isRoomEncrypted(this.state.room.roomId)}
+                    isRoomEncrypted={this.state.isRoomEncrypted}
                 />
             );
         } else if (showRoomUpgradeBar) {
diff --git a/test/test-utils/test-utils.ts b/test/test-utils/test-utils.ts
index 73ff714ae0..d24805953b 100644
--- a/test/test-utils/test-utils.ts
+++ b/test/test-utils/test-utils.ts
@@ -117,7 +117,7 @@ export function createTestClient(): MatrixClient {
 
         getCrypto: jest.fn().mockReturnValue({
             getOwnDeviceKeys: jest.fn(),
-            getUserDeviceInfo: jest.fn(),
+            getUserDeviceInfo: jest.fn().mockResolvedValue(new Map()),
             getUserVerificationStatus: jest.fn(),
             getDeviceVerificationStatus: jest.fn(),
             resetKeyBackup: jest.fn(),
diff --git a/test/unit-tests/components/structures/RoomView-test.tsx b/test/unit-tests/components/structures/RoomView-test.tsx
index b6a0f28637..67f9d844cf 100644
--- a/test/unit-tests/components/structures/RoomView-test.tsx
+++ b/test/unit-tests/components/structures/RoomView-test.tsx
@@ -21,6 +21,7 @@ import {
     SearchResult,
     IEvent,
 } from "matrix-js-sdk/src/matrix";
+import { CryptoApi, UserVerificationStatus } from "matrix-js-sdk/src/crypto-api";
 import { KnownMembership } from "matrix-js-sdk/src/types";
 import { fireEvent, render, screen, RenderResult, waitForElementToBeRemoved, waitFor } from "jest-matrix-react";
 import userEvent from "@testing-library/user-event";
@@ -72,14 +73,14 @@ describe("RoomView", () => {
     let rooms: Map<string, Room>;
     let roomCount = 0;
     let stores: SdkContextClass;
+    let cryptoApi: CryptoApi;
 
     // mute some noise
     filterConsole("RVS update", "does not have an m.room.create event", "Current version: 1", "Version capability");
 
     beforeEach(() => {
         mockPlatformPeg({ reload: () => {} });
-        stubClient();
-        cli = mocked(MatrixClientPeg.safeGet());
+        cli = mocked(stubClient());
 
         room = new Room(`!${roomCount++}:example.org`, cli, "@alice:example.org");
         jest.spyOn(room, "findPredecessor");
@@ -97,6 +98,7 @@ describe("RoomView", () => {
         stores.rightPanelStore.useUnitTestClient(cli);
 
         jest.spyOn(VoipUserMapper.sharedInstance(), "getVirtualRoomForRoom").mockResolvedValue(undefined);
+        cryptoApi = cli.getCrypto()!;
         jest.spyOn(cli, "getCrypto").mockReturnValue(undefined);
     });
 
@@ -230,8 +232,9 @@ describe("RoomView", () => {
 
     it("updates url preview visibility on encryption state change", async () => {
         room.getMyMembership = jest.fn().mockReturnValue(KnownMembership.Join);
+        jest.spyOn(cli, "getCrypto").mockReturnValue(cryptoApi);
         // we should be starting unencrypted
-        expect(cli.isRoomEncrypted(room.roomId)).toEqual(false);
+        expect(await cli.getCrypto()?.isEncryptionEnabledInRoom(room.roomId)).toEqual(false);
 
         const roomViewInstance = await getRoomViewInstance();
 
@@ -246,10 +249,10 @@ describe("RoomView", () => {
         expect(roomViewInstance.state.showUrlPreview).toBe(true);
 
         // now enable encryption
-        cli.isRoomEncrypted.mockReturnValue(true);
+        jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
 
         // and fake an encryption event into the room to prompt it to re-check
-        room.addLiveEvents([
+        await room.addLiveEvents([
             new MatrixEvent({
                 type: "m.room.encryption",
                 sender: cli.getUserId()!,
@@ -341,6 +344,11 @@ describe("RoomView", () => {
 
             describe("that is encrypted", () => {
                 beforeEach(() => {
+                    jest.spyOn(cli, "getCrypto").mockReturnValue(cryptoApi);
+                    jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
+                    jest.spyOn(cli.getCrypto()!, "getUserVerificationStatus").mockResolvedValue(
+                        new UserVerificationStatus(false, true, false),
+                    );
                     mocked(cli.isRoomEncrypted).mockReturnValue(true);
                     localRoom.encrypted = true;
                     localRoom.currentState.setStateEvents([
@@ -402,7 +410,8 @@ describe("RoomView", () => {
             ]);
             jest.spyOn(DMRoomMap.shared(), "getUserIdForRoomId").mockReturnValue(cli.getSafeUserId());
             jest.spyOn(DMRoomMap.shared(), "getRoomIds").mockReturnValue(new Set([room.roomId]));
-            mocked(cli).isRoomEncrypted.mockReturnValue(true);
+            jest.spyOn(cli, "getCrypto").mockReturnValue(cryptoApi);
+            jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
             await renderRoomView();
         });