diff --git a/client/src/app/shared/shared-main/users/user-notifications.component.html b/client/src/app/shared/shared-main/users/user-notifications.component.html
index 265af8d55..5e0e2f8e8 100644
--- a/client/src/app/shared/shared-main/users/user-notifications.component.html
+++ b/client/src/app/shared/shared-main/users/user-notifications.component.html
@@ -4,7 +4,7 @@
   <div *ngFor="let notification of notifications" class="notification" [ngClass]="{ unread: !notification.read }" (click)="markAsRead(notification)">
 
     <ng-container [ngSwitch]="notification.type">
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_VIDEO_FROM_SUBSCRIPTION">
+      <ng-container *ngSwitchCase="1"> <!-- UserNotificationType.NEW_VIDEO_FROM_SUBSCRIPTION -->
         <ng-container *ngIf="notification.video; then hasVideo; else noVideo"></ng-container>
 
         <ng-template #hasVideo>
@@ -26,7 +26,7 @@
         </ng-template>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.UNBLACKLIST_ON_MY_VIDEO">
+      <ng-container *ngSwitchCase="5"> <!-- UserNotificationType.UNBLACKLIST_ON_MY_VIDEO -->
         <my-global-icon iconName="undo" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -34,7 +34,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.BLACKLIST_ON_MY_VIDEO">
+      <ng-container *ngSwitchCase="4"> <!-- UserNotificationType.BLACKLIST_ON_MY_VIDEO -->
         <my-global-icon iconName="no" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -42,7 +42,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_ABUSE_FOR_MODERATORS">
+      <ng-container *ngSwitchCase="3"> <!-- UserNotificationType.NEW_ABUSE_FOR_MODERATORS -->
         <my-global-icon iconName="flag" aria-hidden="true"></my-global-icon>
 
         <div class="message" *ngIf="notification.videoUrl" i18n>
@@ -63,7 +63,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.ABUSE_STATE_CHANGE">
+      <ng-container *ngSwitchCase="15"> <!-- UserNotificationType.ABUSE_STATE_CHANGE -->
         <my-global-icon iconName="flag" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -73,7 +73,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.ABUSE_NEW_MESSAGE">
+      <ng-container *ngSwitchCase="16"> <!-- UserNotificationType.ABUSE_NEW_MESSAGE -->
         <my-global-icon iconName="flag" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -81,7 +81,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.VIDEO_AUTO_BLACKLIST_FOR_MODERATORS">
+      <ng-container *ngSwitchCase="12"> <!-- UserNotificationType.VIDEO_AUTO_BLACKLIST_FOR_MODERATORS -->
         <my-global-icon iconName="no" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -89,7 +89,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_COMMENT_ON_MY_VIDEO">
+      <ng-container *ngSwitchCase="2">
         <ng-container *ngIf="notification.comment">
           <a (click)="markAsRead(notification)" [routerLink]="notification.accountUrl">
             <img alt="" aria-labelledby="avatar" class="avatar" [src]="notification.comment.account.avatarUrl" />
@@ -109,7 +109,7 @@
         </ng-container>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.MY_VIDEO_PUBLISHED">
+      <ng-container *ngSwitchCase="6"> <!-- UserNotificationType.MY_VIDEO_PUBLISHED -->
         <my-global-icon iconName="film" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -117,7 +117,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.MY_VIDEO_IMPORT_SUCCESS">
+      <ng-container *ngSwitchCase="7"> <!-- UserNotificationType.MY_VIDEO_IMPORT_SUCCESS -->
         <my-global-icon iconName="cloud-download" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -125,7 +125,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.MY_VIDEO_IMPORT_ERROR">
+      <ng-container *ngSwitchCase="8"> <!-- UserNotificationType.MY_VIDEO_IMPORT_ERROR -->
         <my-global-icon iconName="cloud-error" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -133,7 +133,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_USER_REGISTRATION">
+      <ng-container *ngSwitchCase="9"> <!-- UserNotificationType.NEW_USER_REGISTRATION -->
         <my-global-icon iconName="user-add" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -141,7 +141,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_FOLLOW">
+      <ng-container *ngSwitchCase="10"> <!-- UserNotificationType.NEW_FOLLOW -->
         <a (click)="markAsRead(notification)" [routerLink]="notification.accountUrl">
           <img alt="" aria-labelledby="avatar" class="avatar" [src]="notification.actorFollow.follower.avatarUrl" />
         </a>
@@ -154,7 +154,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.COMMENT_MENTION">
+      <ng-container *ngSwitchCase="11">
         <ng-container *ngIf="notification.comment">
           <a (click)="markAsRead(notification)" [routerLink]="notification.accountUrl">
             <img alt="" aria-labelledby="avatar" class="avatar" [src]="notification.comment.account.avatarUrl" />
@@ -174,7 +174,7 @@
         </ng-container>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.NEW_INSTANCE_FOLLOWER">
+      <ng-container *ngSwitchCase="13"> <!-- UserNotificationType.NEW_INSTANCE_FOLLOWER -->
         <my-global-icon iconName="users" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
@@ -183,7 +183,7 @@
         </div>
       </ng-container>
 
-      <ng-container *ngSwitchCase="UserNotificationType.AUTO_INSTANCE_FOLLOWING">
+      <ng-container *ngSwitchCase="14"> <!-- UserNotificationType.AUTO_INSTANCE_FOLLOWING -->
         <my-global-icon iconName="users" aria-hidden="true"></my-global-icon>
 
         <div class="message" i18n>
diff --git a/client/src/app/shared/shared-main/users/user-notifications.component.ts b/client/src/app/shared/shared-main/users/user-notifications.component.ts
index 387c49d94..2f6ed061a 100644
--- a/client/src/app/shared/shared-main/users/user-notifications.component.ts
+++ b/client/src/app/shared/shared-main/users/user-notifications.component.ts
@@ -21,9 +21,6 @@ export class UserNotificationsComponent implements OnInit {
   notifications: UserNotification[] = []
   sortField = 'createdAt'
 
-  // So we can access it in the template
-  UserNotificationType = UserNotificationType
-
   componentPagination: ComponentPagination
 
   onDataSubject = new Subject<any[]>()
diff --git a/server/helpers/custom-validators/user-notifications.ts b/server/helpers/custom-validators/user-notifications.ts
index 8a33b895b..252c107db 100644
--- a/server/helpers/custom-validators/user-notifications.ts
+++ b/server/helpers/custom-validators/user-notifications.ts
@@ -1,10 +1,9 @@
-import { exists } from './misc'
 import validator from 'validator'
-import { UserNotificationType } from '../../../shared/models/users'
 import { UserNotificationSettingValue } from '../../../shared/models/users/user-notification-setting.model'
+import { exists } from './misc'
 
 function isUserNotificationTypeValid (value: any) {
-  return exists(value) && validator.isInt('' + value) && UserNotificationType[value] !== undefined
+  return exists(value) && validator.isInt('' + value)
 }
 
 function isUserNotificationSettingValid (value: any) {
diff --git a/shared/models/users/user-notification.model.ts b/shared/models/users/user-notification.model.ts
index e2f2234e4..b04619685 100644
--- a/shared/models/users/user-notification.model.ts
+++ b/shared/models/users/user-notification.model.ts
@@ -1,7 +1,7 @@
 import { FollowState } from '../actors'
 import { AbuseState } from '../moderation'
 
-export enum UserNotificationType {
+export const enum UserNotificationType {
   NEW_VIDEO_FROM_SUBSCRIPTION = 1,
   NEW_COMMENT_ON_MY_VIDEO = 2,
   NEW_ABUSE_FOR_MODERATORS = 3,