2 files changed, 5 insertions, 3 deletions
diff --git a/src/client/views/animationtimeline/Region.tsx b/src/client/views/animationtimeline/Region.tsx
index abbc8203d..b09456cd7 100644
--- a/src/client/views/animationtimeline/Region.tsx
+++ b/src/client/views/animationtimeline/Region.tsx
@@ -1,4 +1,4 @@
-import { action, computed, observable, runInAction } from 'mobx';
+import { action, computed, makeObservable, observable, runInAction } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { Doc, DocListCast, Opt } from '../../../fields/Doc';
@@ -185,6 +185,7 @@ export class Region extends React.Component<IProps> {
 
     constructor(props: any) {
         super(props);
+        makeObservable(this);
     }
     componentDidMount() {
         setTimeout(() => {
diff --git a/src/client/views/animationtimeline/TimelineMenu.tsx b/src/client/views/animationtimeline/TimelineMenu.tsx
index 1769c41bd..97a571dc4 100644
--- a/src/client/views/animationtimeline/TimelineMenu.tsx
+++ b/src/client/views/animationtimeline/TimelineMenu.tsx
@@ -1,7 +1,7 @@
 import { IconLookup } from '@fortawesome/fontawesome-svg-core';
 import { faChartLine, faClipboard } from '@fortawesome/free-solid-svg-icons';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
-import { action, observable } from 'mobx';
+import { action, makeObservable, observable } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { Utils } from '../../../Utils';
@@ -16,8 +16,9 @@ export class TimelineMenu extends React.Component {
     @observable private _y = 0;
     @observable private _currentMenu: JSX.Element[] = [];
 
-    constructor(props: Readonly<{}>) {
+    constructor(props: any) {
         super(props);
+        makeObservable(this);
         TimelineMenu.Instance = this;
     }