diff --git a/test/api/v3/unit/libs/cron.test.js b/test/api/v3/unit/libs/cron.test.js
index 3a8843e283..73b90050b1 100644
--- a/test/api/v3/unit/libs/cron.test.js
+++ b/test/api/v3/unit/libs/cron.test.js
@@ -6,7 +6,7 @@ import requireAgain from 'require-again';
 import { recoverCron, cron } from '../../../../../website/server/libs/cron';
 import { model as User } from '../../../../../website/server/models/user';
 import * as Tasks from '../../../../../website/server/models/task';
-import { clone } from 'lodash';
+import { clone, filter } from 'lodash';
 import common from '../../../../../website/common';
 import analytics from '../../../../../website/server/libs/analyticsService';
 
@@ -780,6 +780,18 @@ describe('cron', () => {
       expect(user.notifications[0].type).to.eql('LOGIN_INCENTIVE');
     });
 
+    it('replaces previous notifications', () => {
+      cron({user, tasksByType, daysMissed, analytics});
+      cron({user, tasksByType, daysMissed, analytics});
+      cron({user, tasksByType, daysMissed, analytics});
+
+      let filteredNotifications = filter(user.notifications, function filterNotifications (notification) {
+         return notification.type === 'LOGIN_INCENTIVE';
+      });
+
+      expect(filteredNotifications.length).to.equal(1);
+    });
+
     it('increments loginIncentives by 1 even if days are skipped in between', () => {
       daysMissed = 3;
       cron({user, tasksByType, daysMissed, analytics});
diff --git a/website/server/libs/cron.js b/website/server/libs/cron.js
index 8cacc68323..b34c332c11 100644
--- a/website/server/libs/cron.js
+++ b/website/server/libs/cron.js
@@ -130,6 +130,14 @@ function trackCronAnalytics (analytics, user, _progress, options) {
 
 function awardLoginIncentives (user) {
   if (user.loginIncentives > 50) return;
+
+  //Remove old noitification if it exists
+  user.notifications
+    .toObject()
+    .find((notif, index) => {
+      if (notif.type === 'LOGIN_INCENTIVE') user.notifications.splice(index, 1);
+    });
+
   let notificationData = {};
   notificationData.message = i18n.t('checkinEarned', user.preferences.language);