diff --git a/extensions/typescript-language-features/src/test/unit/previewer.test.ts b/extensions/typescript-language-features/src/test/unit/previewer.test.ts
index 2f7af37383b..75a4464610c 100644
--- a/extensions/typescript-language-features/src/test/unit/previewer.test.ts
+++ b/extensions/typescript-language-features/src/test/unit/previewer.test.ts
@@ -5,7 +5,7 @@
 
 import * as assert from 'assert';
 import 'mocha';
-import { SymbolDisplayPart } from 'typescript/lib/protocol';
+import { SymbolDisplayPart } from '../../protocol';
 import { Uri } from 'vscode';
 import { IFilePathToResourceConverter, markdownDocumentation, plainWithLinks, tagsMarkdownPreview } from '../../utils/previewer';