diff --git a/src/app/components/common/timeline-base.ts b/src/app/components/common/timeline-base.ts
index a4f719ed..cf64aa79 100644
--- a/src/app/components/common/timeline-base.ts
+++ b/src/app/components/common/timeline-base.ts
@@ -28,6 +28,7 @@ export abstract class TimelineBase extends BrowseBase {
     statuses: StatusWrapper[] = [];
     bufferStream: Status[] = [];
     protected bufferWasCleared: boolean;
+    numNewItems: number;
     streamPositionnedAtTop: boolean = true;
     protected isProcessingInfiniteScroll: boolean;
 
diff --git a/src/app/components/stream/stream-statuses/stream-statuses.component.ts b/src/app/components/stream/stream-statuses/stream-statuses.component.ts
index bea7c0bb..129dc1ce 100644
--- a/src/app/components/stream/stream-statuses/stream-statuses.component.ts
+++ b/src/app/components/stream/stream-statuses/stream-statuses.component.ts
@@ -43,8 +43,6 @@ export class StreamStatusesComponent extends TimelineBase {
     private deleteStatusSubscription: Subscription;
     private streams$: Observable<StreamElement[]>;
 
-    numNewItems: number;
-
     constructor(
         protected readonly settingsService: SettingsService,
         protected readonly store: Store,
diff --git a/src/app/components/stream/thread/thread.component.ts b/src/app/components/stream/thread/thread.component.ts
index 5bb89e22..076416fb 100644
--- a/src/app/components/stream/thread/thread.component.ts
+++ b/src/app/components/stream/thread/thread.component.ts
@@ -28,6 +28,7 @@ export class ThreadComponent extends BrowseBase {
     hasContentWarnings = false;
     private remoteStatusFetchingDisabled = false;
 
+    numNewItems: number; //html compatibility only
     bufferStream: Status[] = []; //html compatibility only
     streamPositionnedAtTop: boolean = true; //html compatibility only
     timelineLoadingMode: TimeLineModeEnum = TimeLineModeEnum.OnTop; //html compatibility only