diff --git a/src/certificates.js b/src/certificates.js
index 3f61342c2..5515ac2d8 100644
--- a/src/certificates.js
+++ b/src/certificates.js
@@ -32,7 +32,7 @@ exports = module.exports = {
     CertificatesError: CertificatesError,
     validateCertificate: validateCertificate,
     ensureCertificate: ensureCertificate,
-    fallbackExpiredCerts: fallbackExpiredCerts
+    fallbackExpiredCertificates: fallbackExpiredCertificates
 };
 
 var NOOP_CALLBACK = function (error) { if (error) debug(error); };
diff --git a/src/cron.js b/src/cron.js
index 8eb2b1d95..694eed304 100644
--- a/src/cron.js
+++ b/src/cron.js
@@ -130,7 +130,7 @@ function recreateJobs(unusedTimeZone, callback) {
         if (gFallbackExpiredCertsJob) gFallbackExpiredCertsJob.stop();
         gFallbackExpiredCertsJob = new CronJob({
             cronTime: '00 */30 * * * *', // every 30 minutes
-            onTick: certificates.fallbackExpiredCerts,
+            onTick: certificates.fallbackExpiredCertificates,
             start: true,
             timeZone: allSettings[settings.TIME_ZONE_KEY]
         });