diff --git a/extensions/typescript-language-features/web/webServer.ts b/extensions/typescript-language-features/web/webServer.ts
index b9d19ef6538..882d3ae05e5 100644
--- a/extensions/typescript-language-features/web/webServer.ts
+++ b/extensions/typescript-language-features/web/webServer.ts
@@ -152,7 +152,7 @@ function createServerHost(extensionUri: URI, logger: ts.server.Logger, apiClient
 			return true;
 		},
 		readFile(path) {
-			if (!fs || path.startsWith('/')) {
+			if (!fs || path.startsWith('/lib.')) {
 				const webPath = getWebPath(path);
 				if (webPath) {
 					const request = new XMLHttpRequest();