1 files changed, 2 insertions, 2 deletions
diff --git a/src/client/views/animationtimeline/TimelineOverview.tsx b/src/client/views/animationtimeline/TimelineOverview.tsx
index 31e248823..81a5587e4 100644
--- a/src/client/views/animationtimeline/TimelineOverview.tsx
+++ b/src/client/views/animationtimeline/TimelineOverview.tsx
@@ -42,9 +42,9 @@ export class TimelineOverview extends React.Component<TimelineOverviewProps>{
         this.setOverviewWidth();
 
         this._authoringReaction = reaction(
-            () => this.props.parent._isAuthoring,
+            () => this.props.isAuthoring,
             () => {
-                if (!this.props.parent._isAuthoring) {
+                if (!this.props.isAuthoring) {
                     runInAction(() => {
                         this.setOverviewWidth();
                     });