diff --git a/demo/src/setup.views.ts b/demo/src/setup.views.ts
index 70cda771..eed2c4a1 100644
--- a/demo/src/setup.views.ts
+++ b/demo/src/setup.views.ts
@@ -18,6 +18,7 @@ import getViewsServiceOverride, {
   onDidChangeSideBarPosition,
   Position
 } from '@codingame/monaco-vscode-views-service-override'
+import { setUnexpectedErrorHandler } from 'vscode/monaco'
 import { openNewCodeEditor } from './features/editor'
 import './features/customView.views'
 import {
@@ -92,6 +93,11 @@ await initializeMonacoService(
   envOptions
 )
 
+setUnexpectedErrorHandler((e) => {
+  // eslint-disable-next-line no-console
+  console.info('Unexpected error', e)
+})
+
 for (const config of [
   { part: Parts.TITLEBAR_PART, element: '#titleBar' },
   { part: Parts.BANNER_PART, element: '#banner' },