diff --git a/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts b/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
index 8e0f5f39978..b85c29ffc4a 100644
--- a/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
+++ b/src/vs/code/electron-browser/sharedProcess/sharedProcessMain.ts
@@ -37,7 +37,7 @@ import { ILocalizationsService } from 'vs/platform/localizations/common/localiza
 import { LocalizationsChannel } from 'vs/platform/localizations/node/localizationsIpc';
 import { DialogChannelClient } from 'vs/platform/dialogs/node/dialogIpc';
 import { IDialogService } from 'vs/platform/dialogs/common/dialogs';
-import { combinedDisposable, DisposableStore } from 'vs/base/common/lifecycle';
+import { combinedDisposable, DisposableStore, toDisposable } from 'vs/base/common/lifecycle';
 import { DownloadService } from 'vs/platform/download/common/downloadService';
 import { IDownloadService } from 'vs/platform/download/common/download';
 import { IChannel, IServerChannel, StaticRouter } from 'vs/base/parts/ipc/common/ipc';
@@ -154,7 +154,7 @@ async function main(server: Server, initData: ISharedProcessInitData, configurat
 		if (!extensionDevelopmentLocationURI && !environmentService.args['disable-telemetry'] && product.enableTelemetry) {
 			if (product.aiConfig && product.aiConfig.asimovKey && isBuilt) {
 				appInsightsAppender = new AppInsightsAppender(eventPrefix, null, product.aiConfig.asimovKey, telemetryLogService);
-				disposables.add(appInsightsAppender); // Ensure the AI appender is disposed so that it flushes remaining data
+				disposables.add(toDisposable(() => appInsightsAppender!.flush())); // Ensure the AI appender is disposed so that it flushes remaining data
 			}
 			const config: ITelemetryServiceConfig = {
 				appender: combinedAppender(appInsightsAppender, new LogAppender(logService)),