diff --git a/src/reverseproxy.js b/src/reverseproxy.js
index cb15fb1a6..e9b7d3c6d 100644
--- a/src/reverseproxy.js
+++ b/src/reverseproxy.js
@@ -403,6 +403,7 @@ async function renewCert(fqdn, domainObject) {
         if (restartError) debug(`renewCert: error updating mail container on cert change: ${restartError.message}`);
     }
 
+    // FIXME: this doesn't work across processes. maybe directory server has to become a process of it's own
     if (domainObject.domain === settings.dashboardDomain() && getAcmeCertificatePathSync(settings.dashboardFqdn(), domainObject).certFilePath === acmePaths.certFilePath) {
         debug('renewCert: directory server certificate changed');
         const [restartError] = await safe(directoryServer.handleCertChanged());