diff --git a/src/tsWorker.ts b/src/tsWorker.ts
index be58d05f..f915c639 100644
--- a/src/tsWorker.ts
+++ b/src/tsWorker.ts
@@ -243,6 +243,7 @@ export class TypeScriptWorker implements ts.LanguageServiceHost, ITypeScriptWork
 			entry,
 			undefined,
 			undefined,
+			undefined, 
 			undefined
 		);
 	}