diff --git a/packages/core/src/browser/window/window-title-service.ts b/packages/core/src/browser/window/window-title-service.ts
index 419ce84551033..175cb26520501 100644
--- a/packages/core/src/browser/window/window-title-service.ts
+++ b/packages/core/src/browser/window/window-title-service.ts
@@ -100,7 +100,7 @@ export class WindowTitleService {
         if (developmentHost) {
             this._title = developmentHost + this.separator + this._title;
         }
-        document.title = this._title;
+        document.title = this._title || FrontendApplicationConfigProvider.get().applicationName;
         this.onDidChangeTitleEmitter.fire(this._title);
     }