diff --git a/src/nomalab.ts b/src/nomalab.ts
index 7f44cda..b53bcab 100644
--- a/src/nomalab.ts
+++ b/src/nomalab.ts
@@ -295,9 +295,9 @@ export class Nomalab {
     return response.json() as Promise<DeliverableOrganization[]>;
   }
 
-  async getSubtitleFormatsList(): Promise<SubtitleFormats> {
+  async getSubtitleFormatsList(): Promise<SubtitleFormats[]> {
     const response = await this.#fetch(`subtitleFormats`, {});
-    return response.json() as Promise<SubtitleFormats>;
+    return response.json() as Promise<SubtitleFormats[]>;
   }
 
   #throwError(message: string, response: Response): void {