diff --git a/src/vs/workbench/browser/web.main.ts b/src/vs/workbench/browser/web.main.ts
index 909f7578e4c..0dd0a93ef46 100644
--- a/src/vs/workbench/browser/web.main.ts
+++ b/src/vs/workbench/browser/web.main.ts
@@ -83,6 +83,11 @@ class CodeRendererMain extends Disposable {
 		}));
 		this._register(workbench.onShutdown(() => this.dispose()));
 
+		// Driver
+		if (this.configuration.driver) {
+			registerWindowDriver();
+		}
+
 		// Startup
 		workbench.startup();
 	}
diff --git a/src/vs/workbench/workbench.web.api.ts b/src/vs/workbench/workbench.web.api.ts
index bc4b9d1d767..15156252d69 100644
--- a/src/vs/workbench/workbench.web.api.ts
+++ b/src/vs/workbench/workbench.web.api.ts
@@ -48,6 +48,11 @@ export interface IWorkbenchConstructionOptions {
 	 * A factory for web sockets.
 	 */
 	webSocketFactory?: IWebSocketFactory;
+
+	/**
+	 * Experimental: Whether to enable the smoke test driver.
+	 */
+	driver?: boolean;
 }
 
 /**