diff --git a/src/apps.js b/src/apps.js
index cb99206d1..600ac3a5f 100644
--- a/src/apps.js
+++ b/src/apps.js
@@ -65,6 +65,7 @@ exports = module.exports = {
     appendLogLine,
 
     getCertificate,
+    getLocationsSync,
 
     start,
     stop,
@@ -2862,3 +2863,14 @@ async function restoreConfig(app) {
 
     await update(app.id, data);
 }
+
+function getLocationsSync(app) {
+    assert.strictEqual(typeof app, 'object');
+
+    const locations = [{ domain: app.domain, fqdn: app.fqdn, certificate: app.certificate, type: exports.LOCATION_TYPE_PRIMARY }]
+        .concat(app.secondaryDomains.map(sd => { return { domain: sd.domain, certificate: sd.certificate, fqdn: sd.fqdn, type: exports.LOCATION_TYPE_SECONDARY }; }))
+        .concat(app.redirectDomains.map(rd => { return { domain: rd.domain, certificate: rd.certificate, fqdn: rd.fqdn, type: exports.LOCATION_TYPE_REDIRECT }; }))
+        .concat(app.aliasDomains.map(ad => { return { domain: ad.domain, certificate: ad.certificate, fqdn: ad.fqdn, type: exports.LOCATION_TYPE_ALIAS }; }));
+
+    return locations;
+}
diff --git a/src/reverseproxy.js b/src/reverseproxy.js
index a963f9ef3..8ada33e6b 100644
--- a/src/reverseproxy.js
+++ b/src/reverseproxy.js
@@ -574,7 +574,7 @@ async function writeAppNginxConfig(app, fqdn, type, certificatePath) {
 async function writeAppConfigs(app) {
     assert.strictEqual(typeof app, 'object');
 
-    const locations = appLocationsSync(app);
+    const locations = apps.getLocationsSync(app);
 
     for (const location of locations) {
         const certificatePath = await getCertificatePath(location.fqdn, location.domain);
@@ -602,22 +602,11 @@ async function setUserCertificate(app, fqdn, certificate) {
     await writeAppConfigs(app);
 }
 
-function appLocationsSync(app) {
-    assert.strictEqual(typeof app, 'object');
-
-    const locations = [{ domain: app.domain, fqdn: app.fqdn, certificate: app.certificate, type: apps.LOCATION_TYPE_PRIMARY }]
-        .concat(app.secondaryDomains.map(sd => { return { domain: sd.domain, certificate: sd.certificate, fqdn: sd.fqdn, type: apps.LOCATION_TYPE_SECONDARY }; }))
-        .concat(app.redirectDomains.map(rd => { return { domain: rd.domain, certificate: rd.certificate, fqdn: rd.fqdn, type: apps.LOCATION_TYPE_REDIRECT }; }))
-        .concat(app.aliasDomains.map(ad => { return { domain: ad.domain, certificate: ad.certificate, fqdn: ad.fqdn, type: apps.LOCATION_TYPE_ALIAS }; }));
-
-    return locations;
-}
-
 async function configureApp(app, auditSource) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof auditSource, 'object');
 
-    const locations = await appLocationsSync(app);
+    const locations = await apps.getLocationsSync(app);
     const domainObjectMap = await domains.getDomainObjectMap();
 
     for (const location of locations) {
@@ -658,7 +647,7 @@ async function renewCerts(auditSource, progressCallback) {
 
     for (const app of allApps) {
         if (app.runState === apps.RSTATE_STOPPED) continue; // do not renew certs of stopped apps
-        locations = locations.concat(appLocationsSync(app));
+        locations = locations.concat(apps.apps.getLocationsSync(app));
     }
 
     let percent = 1, renewedCertificateNames = [];
@@ -706,7 +695,7 @@ async function cleanupCerts(auditSource, progressCallback) {
 
     for (const app of await apps.list()) {
         if (app.runState === apps.RSTATE_STOPPED) continue; // not in use
-        locations = locations.concat(appLocationsSync(app));
+        locations = locations.concat(apps.apps.getLocationsSync(app));
     }
 
     const certsInUse = [ 'default.cert' ];