diff --git a/packages/vue-typescript/src/use/useSfcScript.ts b/packages/vue-typescript/src/use/useSfcScript.ts
index 240f899bd..4f3551e3c 100644
--- a/packages/vue-typescript/src/use/useSfcScript.ts
+++ b/packages/vue-typescript/src/use/useSfcScript.ts
@@ -21,7 +21,7 @@ export function useSfcScript(
 		if (script.value) {
 
 			const file: EmbeddedFile = {
-				fileName: fileName + '.' + script.value.lang,
+				fileName: fileName + '.__VLS_script.format.' + script.value.lang,
 				lang: script.value.lang,
 				content: script.value.content,
 				capabilities: {