diff --git a/res/css/_components.scss b/res/css/_components.scss
index d8e5247f9d..c8985cbb51 100644
--- a/res/css/_components.scss
+++ b/res/css/_components.scss
@@ -98,6 +98,7 @@
 @import "./views/dialogs/_SpaceSettingsDialog.scss";
 @import "./views/dialogs/_TabbedIntegrationManagerDialog.scss";
 @import "./views/dialogs/_TermsDialog.scss";
+@import "./views/dialogs/_UntrustedDeviceDialog.scss";
 @import "./views/dialogs/_UploadConfirmDialog.scss";
 @import "./views/dialogs/_UserSettingsDialog.scss";
 @import "./views/dialogs/_WidgetCapabilitiesPromptDialog.scss";
diff --git a/res/css/views/dialogs/_UntrustedDeviceDialog.scss b/res/css/views/dialogs/_UntrustedDeviceDialog.scss
new file mode 100644
index 0000000000..0ecd9d4f71
--- /dev/null
+++ b/res/css/views/dialogs/_UntrustedDeviceDialog.scss
@@ -0,0 +1,26 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_UntrustedDeviceDialog {
+    .mx_Dialog_title {
+        display: flex;
+        align-items: center;
+
+        .mx_E2EIcon {
+            margin-left: 0;
+        }
+    }
+}
diff --git a/src/components/views/dialogs/UntrustedDeviceDialog.js b/src/components/views/dialogs/UntrustedDeviceDialog.js
new file mode 100644
index 0000000000..11cbef39a1
--- /dev/null
+++ b/src/components/views/dialogs/UntrustedDeviceDialog.js
@@ -0,0 +1,61 @@
+/*
+Copyright 2019, 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+
+import { _t } from '../../../languageHandler';
+import * as sdk from '../../../index';
+import {MatrixClientPeg} from '../../../MatrixClientPeg';
+import E2EIcon from "../rooms/E2EIcon";
+
+function UntrustedDeviceDialog(props) {
+    const {device, user, onFinished} = props;
+    const BaseDialog = sdk.getComponent("dialogs.BaseDialog");
+    const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
+    let askToVerifyText;
+    let newSessionText;
+
+    if (MatrixClientPeg.get().getUserId() === user.userId) {
+        newSessionText = _t("You signed in to a new session without verifying it:");
+        askToVerifyText = _t("Verify your other session using one of the options below.");
+    } else {
+        newSessionText = _t("%(name)s (%(userId)s) signed in to a new session without verifying it:",
+            {name: user.displayName, userId: user.userId});
+        askToVerifyText = _t("Ask this user to verify their session, or manually verify it below.");
+    }
+
+    return <BaseDialog
+        onFinished={onFinished}
+        className="mx_UntrustedDeviceDialog"
+        title={<>
+            <E2EIcon status="warning" size={24} hideTooltip={true} />
+            { _t("Not Trusted")}
+        </>}
+    >
+        <div className="mx_Dialog_content" id='mx_Dialog_content'>
+            <p>{newSessionText}</p>
+            <p>{device.getDisplayName()} ({device.deviceId})</p>
+            <p>{askToVerifyText}</p>
+        </div>
+        <div className='mx_Dialog_buttons'>
+            <AccessibleButton element="button" kind="secondary" onClick={() => onFinished("legacy")}>{_t("Manually Verify by Text")}</AccessibleButton>
+            <AccessibleButton element="button" kind="secondary" onClick={() => onFinished("sas")}>{_t("Interactively verify by Emoji")}</AccessibleButton>
+            <AccessibleButton kind="primary" onClick={() => onFinished()}>{_t("Done")}</AccessibleButton>
+        </div>
+    </BaseDialog>;
+}
+
+export default UntrustedDeviceDialog;
diff --git a/src/verification.js b/src/verification.js
index 74e3897d3a..69577384a1 100644
--- a/src/verification.js
+++ b/src/verification.js
@@ -18,12 +18,12 @@ import {MatrixClientPeg} from './MatrixClientPeg';
 import dis from "./dispatcher/dispatcher";
 import Modal from './Modal';
 import * as sdk from './index';
-import { _t } from './languageHandler';
 import {RightPanelPhases} from "./stores/RightPanelStorePhases";
 import {findDMForUser} from './createRoom';
 import {accessSecretStorage} from './SecurityManager';
 import {verificationMethods} from 'matrix-js-sdk/src/crypto';
 import {Action} from './dispatcher/actions';
+import UntrustedDeviceDialog from "./components/views/dialogs/UntrustedDeviceDialog";
 
 async function enable4SIfNeeded() {
     const cli = MatrixClientPeg.get();
@@ -39,39 +39,6 @@ async function enable4SIfNeeded() {
     return true;
 }
 
-function UntrustedDeviceDialog(props) {
-    const {device, user, onFinished} = props;
-    const BaseDialog = sdk.getComponent("dialogs.BaseDialog");
-    const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
-    let askToVerifyText;
-    let newSessionText;
-
-    if (MatrixClientPeg.get().getUserId() === user.userId) {
-        newSessionText = _t("You signed in to a new session without verifying it:");
-        askToVerifyText = _t("Verify your other session using one of the options below.");
-    } else {
-        newSessionText = _t("%(name)s (%(userId)s) signed in to a new session without verifying it:",
-            {name: user.displayName, userId: user.userId});
-        askToVerifyText = _t("Ask this user to verify their session, or manually verify it below.");
-    }
-
-    return <BaseDialog
-        onFinished={onFinished}
-        headerImage={require("../res/img/e2e/warning.svg")}
-        title={_t("Not Trusted")}>
-        <div className="mx_Dialog_content" id='mx_Dialog_content'>
-            <p>{newSessionText}</p>
-            <p>{device.getDisplayName()} ({device.deviceId})</p>
-            <p>{askToVerifyText}</p>
-        </div>
-        <div className='mx_Dialog_buttons'>
-            <AccessibleButton element="button" kind="secondary" onClick={() => onFinished("legacy")}>{_t("Manually Verify by Text")}</AccessibleButton>
-            <AccessibleButton element="button" kind="secondary" onClick={() => onFinished("sas")}>{_t("Interactively verify by Emoji")}</AccessibleButton>
-            <AccessibleButton kind="primary" onClick={() => onFinished()}>{_t("Done")}</AccessibleButton>
-        </div>
-    </BaseDialog>;
-}
-
 export async function verifyDevice(user, device) {
     const cli = MatrixClientPeg.get();
     if (cli.isGuest()) {