diff --git a/src/vs/workbench/browser/actions/workspaceCommands.ts b/src/vs/workbench/browser/actions/workspaceCommands.ts
index 4f4fd99e36510915afe417d7453a562e8c9bb9b8..18f3a0cdcdd87bef1c2e29f1fc4f3d6a474529b1 100644
--- a/src/vs/workbench/browser/actions/workspaceCommands.ts
+++ b/src/vs/workbench/browser/actions/workspaceCommands.ts
@@ -34,7 +34,7 @@ CommandsRegistry.registerCommand({
 
 CommandsRegistry.registerCommand({
 	id: '_files.pickFolderAndOpen',
-	handler: (accessor: ServicesAccessor, options: { forceNewWindow: boolean }) => accessor.get(IFileDialogService).pickFolderAndOpen(options)
+	handler: (accessor: ServicesAccessor, forceNewWindow: boolean = false) => accessor.get(IFileDialogService).pickFolderAndOpen({ forceNewWindow })
 });
 
 CommandsRegistry.registerCommand({