diff --git a/index/src/app/api/api.service.ts b/index/src/app/api/api.service.ts
index 1933630..a591d08 100644
--- a/index/src/app/api/api.service.ts
+++ b/index/src/app/api/api.service.ts
@@ -111,7 +111,7 @@ export class ApiService extends HttpService {
     }
 
     categories() {
-        return super.Service<Tag[]>({
+        return super.Service<Category[]>({
             path: '/categories',
             method: 'GET'
         });