diff --git a/backend/src/ee/services/pki-acme/pki-acme-service.ts b/backend/src/ee/services/pki-acme/pki-acme-service.ts
index 757e60e86..e4cdc74c9 100644
--- a/backend/src/ee/services/pki-acme/pki-acme-service.ts
+++ b/backend/src/ee/services/pki-acme/pki-acme-service.ts
@@ -683,7 +683,7 @@ export const pkiAcmeServiceFactory = ({
     }
     return {
       status: 200,
-      body: order.certificateChain! + "\n" + order.certificate!,
+      body: order.certificate! + "\n" + order.certificateChain!,
       headers: {
         Location: buildUrl(profileId, `/orders/${orderId}/certificate`),
         Link: `<${buildUrl(profileId, "/directory")}>;rel="index"`