diff --git a/tabby-core/src/services/app.service.ts b/tabby-core/src/services/app.service.ts
index 98071aea..324e8574 100644
--- a/tabby-core/src/services/app.service.ts
+++ b/tabby-core/src/services/app.service.ts
@@ -139,12 +139,6 @@ export class AppService {
             this.tabClosed.next(tab)
         })
 
-        tab.activity$.subscribe(() => {
-            if (tab === this._activeTab) {
-                tab.clearActivity()
-            }
-        })
-
         if (tab instanceof SplitTabComponent) {
             tab.tabAdded$.subscribe(() => this.emitTabsChanged())
             tab.tabRemoved$.subscribe(() => this.emitTabsChanged())
diff --git a/tabby-core/src/tabContextMenu.ts b/tabby-core/src/tabContextMenu.ts
index b40cb28d..d45b65e0 100644
--- a/tabby-core/src/tabContextMenu.ts
+++ b/tabby-core/src/tabContextMenu.ts
@@ -201,6 +201,8 @@ export class TaskCompletionContextMenu extends TabContextMenuItemProvider {
             type: 'checkbox',
             checked: !!extTab.__outputNotificationSubscription,
             click: () => {
+                tab.clearActivity()
+
                 if (extTab.__outputNotificationSubscription) {
                     extTab.__outputNotificationSubscription.unsubscribe()
                     extTab.__outputNotificationSubscription = null