diff --git a/frontend/apps/remark42/app/common/api.ts b/frontend/apps/remark42/app/common/api.ts
index d1ddc6e7..1d049787 100644
--- a/frontend/apps/remark42/app/common/api.ts
+++ b/frontend/apps/remark42/app/common/api.ts
@@ -73,13 +73,13 @@ export const uploadImage = (image: File): Promise<Image> => {
  * @param emailAddress email for subscription
  */
 export const emailVerificationForSubscribe = (emailAddress: string) =>
-  apiFetcher.post('/email/subscribe', { address: emailAddress });
+  apiFetcher.post('/email/subscribe', {}, { address: emailAddress });
 
 /**
  * Confirmation of email subscription to updates
  * @param token confirmation token from email
  */
-export const emailConfirmationForSubscribe = (token: string) => apiFetcher.post('/email/confirm', { tkn: token });
+export const emailConfirmationForSubscribe = (token: string) => apiFetcher.post('/email/confirm', {}, { token });
 
 /**
  * Decline current subscription to updates
diff --git a/frontend/apps/remark42/app/common/fetcher.ts b/frontend/apps/remark42/app/common/fetcher.ts
index be2aff3b..a844ca13 100644
--- a/frontend/apps/remark42/app/common/fetcher.ts
+++ b/frontend/apps/remark42/app/common/fetcher.ts
@@ -59,7 +59,7 @@ const createFetcher = (baseUrl: string = ''): Methods => {
       params.body = body;
     } else if (typeof body === 'object' && body !== null) {
       headers['Content-Type'] = 'application/json';
-      params.body = JSON.stringify(body);
+      params.body = JSON.stringify({ ...body, site: siteId });
     } else {
       params.body = body;
     }