diff --git a/website/server/libs/analyticsService.js b/website/server/libs/analyticsService.js
index f96e7ca228..38da9c6a9c 100644
--- a/website/server/libs/analyticsService.js
+++ b/website/server/libs/analyticsService.js
@@ -10,11 +10,11 @@ import {
 } from 'lodash';
 import { content as Content } from '../../common';
 
-const AMPLIUDE_TOKEN = nconf.get('AMPLITUDE_KEY');
+const AMPLITUDE_TOKEN = nconf.get('AMPLITUDE_KEY');
 const GA_TOKEN = nconf.get('GA_ID');
 const GA_POSSIBLE_LABELS = ['gaLabel', 'itemKey'];
 const GA_POSSIBLE_VALUES = ['gaValue', 'gemCost', 'goldCost'];
-const AMPLITUDE_PROPERTIES_TO_SCRUB = ['uuid', 'user', 'purchaseValue', 'gaLabel', 'gaValue', 'headers'];
+const AMPLITUDE_PROPERTIES_TO_SCRUB = ['uuid', 'user', 'purchaseValue', 'gaLabel', 'gaValue', 'headers', 'registeredThrough'];
 
 const PLATFORM_MAP = Object.freeze({
   'habitica-web': 'Web',
@@ -23,7 +23,7 @@ const PLATFORM_MAP = Object.freeze({
 });
 
 let amplitude;
-if (AMPLIUDE_TOKEN) amplitude = new Amplitude(AMPLIUDE_TOKEN);
+if (AMPLITUDE_TOKEN) amplitude = new Amplitude(AMPLITUDE_TOKEN);
 
 let ga = googleAnalytics(GA_TOKEN);
 
@@ -97,10 +97,6 @@ let _formatUserData = (user) => {
     properties.ABtests = toArray(user._ABtests);
   }
 
-  if (user.registeredThrough) {
-    properties.registeredPlatform = user.registeredThrough;
-  }
-
   if (user.loginIncentives) {
     properties.loginIncentives = user.loginIncentives;
   }
@@ -271,11 +267,24 @@ let _sendPurchaseDataToGoogle = (data) => {
   });
 };
 
+let _setOnce = (data) => {
+  return amplitude.identify({
+    user_properties: {
+      $setOnce: data,
+    },
+  });
+};
+
 function track (eventType, data) {
-  return Promise.all([
+  let promises = [
     _sendDataToAmplitude(eventType, data),
     _sendDataToGoogle(eventType, data),
-  ]);
+  ];
+  if (data.user && data.user.registeredThrough) {
+    promises.push(_setOnce({registeredPlatform: data.user.registeredThrough}));
+  }
+
+  return Promise.all(promises);
 }
 
 function trackPurchase (data) {