diff --git a/src/parsers/typescript.ts b/src/parsers/typescript.ts
index 37c76cb..40e723a 100644
--- a/src/parsers/typescript.ts
+++ b/src/parsers/typescript.ts
@@ -16,7 +16,7 @@ export default (twClassesSorter: TWClassesSorter) => ({
 			options
 		)
 
-		if (!twClassesSorter) {
+		if (!twClassesSorter || typeof options === 'undefined') {
 			return ast
 		}