diff --git a/src/reverseproxy.js b/src/reverseproxy.js
index ad84a119c..82e53cfd1 100644
--- a/src/reverseproxy.js
+++ b/src/reverseproxy.js
@@ -563,6 +563,7 @@ async function configureApp(app, auditSource) {
     assert.strictEqual(typeof auditSource, 'object');
 
     const appDomains = [{ domain: app.domain, fqdn: app.fqdn }]
+        .concat(app.secondaryDomains.map(sd => { return { domain: sd.domain, fqdn: sd.fqdn }; }))
         .concat(app.redirectDomains.map(rd => { return { domain: rd.domain, fqdn: rd.fqdn }; }))
         .concat(app.aliasDomains.map(ad => { return { domain: ad.domain, fqdn: ad.fqdn }; }));