diff --git a/src/components/views/messages/EncryptionEvent.js b/src/components/views/messages/EncryptionEvent.js
deleted file mode 100644
index ee304b4fa3..0000000000
--- a/src/components/views/messages/EncryptionEvent.js
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-Copyright 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 PropTypes from 'prop-types';
-import { _t } from '../../../languageHandler';
-import { MatrixClientPeg } from '../../../MatrixClientPeg';
-import EventTileBubble from "./EventTileBubble";
-
-export default class EncryptionEvent extends React.Component {
-    render() {
-        const {mxEvent} = this.props;
-
-        const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(mxEvent.getRoomId());
-        if (mxEvent.getContent().algorithm === 'm.megolm.v1.aes-sha2' && isRoomEncrypted) {
-            return <EventTileBubble
-                className="mx_cryptoEvent mx_cryptoEvent_icon"
-                title={_t("Encryption enabled")}
-                subtitle={_t(
-                    "Messages in this room are end-to-end encrypted. " +
-                    "Learn more & verify this user in their user profile.",
-                )}
-            />;
-        } else if (isRoomEncrypted) {
-            return <EventTileBubble
-                className="mx_cryptoEvent mx_cryptoEvent_icon"
-                title={_t("Encryption enabled")}
-                subtitle={_t("Ignored attempt to disable encryption")}
-            />;
-        }
-
-        return <EventTileBubble
-            className="mx_cryptoEvent mx_cryptoEvent_icon mx_cryptoEvent_icon_warning"
-            title={_t("Encryption not enabled")}
-            subtitle={_t("The encryption used by this room isn't supported.")}
-        />;
-    }
-}
-
-EncryptionEvent.propTypes = {
-    /* the MatrixEvent to show */
-    mxEvent: PropTypes.object.isRequired,
-};
diff --git a/src/components/views/messages/EncryptionEvent.tsx b/src/components/views/messages/EncryptionEvent.tsx
new file mode 100644
index 0000000000..9a6af9446f
--- /dev/null
+++ b/src/components/views/messages/EncryptionEvent.tsx
@@ -0,0 +1,54 @@
+/*
+Copyright 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 {MatrixEvent} from "matrix-js-sdk/src/models/event";
+
+import { _t } from '../../../languageHandler';
+import { MatrixClientPeg } from '../../../MatrixClientPeg';
+import EventTileBubble from "./EventTileBubble";
+
+interface IProps {
+    mxEvent: MatrixEvent;
+}
+
+const EncryptionEvent: React.FC<IProps> = ({mxEvent}) => {
+    const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(mxEvent.getRoomId());
+    if (mxEvent.getContent().algorithm === 'm.megolm.v1.aes-sha2' && isRoomEncrypted) {
+        return <EventTileBubble
+            className="mx_cryptoEvent mx_cryptoEvent_icon"
+            title={_t("Encryption enabled")}
+            subtitle={_t(
+                "Messages in this room are end-to-end encrypted. " +
+                "Learn more & verify this user in their user profile.",
+            )}
+        />;
+    } else if (isRoomEncrypted) {
+        return <EventTileBubble
+            className="mx_cryptoEvent mx_cryptoEvent_icon"
+            title={_t("Encryption enabled")}
+            subtitle={_t("Ignored attempt to disable encryption")}
+        />;
+    }
+
+    return <EventTileBubble
+        className="mx_cryptoEvent mx_cryptoEvent_icon mx_cryptoEvent_icon_warning"
+        title={_t("Encryption not enabled")}
+        subtitle={_t("The encryption used by this room isn't supported.")}
+    />;
+}
+
+export default EncryptionEvent;