diff --git a/website/server/models/user/schema.js b/website/server/models/user/schema.js
index 585203b3ac..eca6bdb4d3 100644
--- a/website/server/models/user/schema.js
+++ b/website/server/models/user/schema.js
@@ -14,7 +14,7 @@ import {
 
 const Schema = mongoose.Schema;
 
-const INVALID_DOMAINS = Object.freeze(['habitica.com', 'habitrpg.com']);
+const RESTRICTED_EMAIL_DOMAINS = Object.freeze(['habitica.com', 'habitrpg.com']);
 
 // User schema definition
 let schema = new Schema({
@@ -41,11 +41,11 @@ let schema = new Schema({
           validator (email) {
             let lowercaseEmail = email.toLowerCase();
 
-            return INVALID_DOMAINS.every((domain) => {
+            return RESTRICTED_EMAIL_DOMAINS.every((domain) => {
               return !lowercaseEmail.endsWith(`@${domain}`);
             });
           },
-          message: shared.i18n.t('invalidEmailDomain', { domains: INVALID_DOMAINS.join(', ')}),
+          message: shared.i18n.t('invalidEmailDomain', { domains: RESTRICTED_EMAIL_DOMAINS.join(', ')}),
         }],
       },
       username: {