diff --git a/src/vs/platform/update/electron-main/auto-updater.win32.ts b/src/vs/platform/update/electron-main/auto-updater.win32.ts
index 70043801820..71985113909 100644
--- a/src/vs/platform/update/electron-main/auto-updater.win32.ts
+++ b/src/vs/platform/update/electron-main/auto-updater.win32.ts
@@ -198,13 +198,12 @@ export class Win32AutoUpdaterImpl extends EventEmitter implements IAutoUpdater {
 		}
 
 		if (process.arch === 'ia32' && this.arch === 'x64') {
-			const updatePackageContents = `@echo off\r\n"${Win32UninstallPath} /silent"\r\nstart /b "" "${this.updatePackagePath}" /silent /mergetasks=runcode,!desktopicon,!quicklaunchicon\r\n`;
+			const updatePackageContents = `@echo off\r\n"${Win32UninstallPath}" /silent\r\nstart /b "" "${this.updatePackagePath}" /silent /mergetasks=runcode,!desktopicon,!quicklaunchicon\r\n`;
 			const updatePackagePath = path.join(tmpdir(), 'vscode-update-32-to-64.bat');
 			fs.writeFileSync(updatePackagePath, updatePackageContents);
 
-			spawn('cmd.exe', [updatePackagePath], {
-				detached: true,
-				stdio: ['ignore', 'ignore', 'ignore']
+			spawn('cmd', ['/c', 'call', updatePackagePath], {
+				detached: true
 			});
 
 			return;