diff --git a/packages/plugins/plugin-cert/src/libs/google.ts b/packages/plugins/plugin-cert/src/libs/google.ts
index 81a24fc1..79bfcb1e 100644
--- a/packages/plugins/plugin-cert/src/libs/google.ts
+++ b/packages/plugins/plugin-cert/src/libs/google.ts
@@ -19,7 +19,7 @@ export class GoogleClient {
     const credentials = JSON.parse(access.serviceAccountSecret);
 
     const client = new v1.PublicCertificateAuthorityServiceClient({ credentials });
-    const parent = `projects/${access.projectId}/locations/global`;
+    const parent = `projects/${credentials.projectId}/locations/global`;
     const externalAccountKey = {};
     const request = {
       parent,