2 files changed, 6 insertions, 4 deletions

diff --git a/server/models/video/video-file.ts b/server/models/video/video-file.ts
index adebdf0c7..3fd2d5a99 100644
--- a/server/models/video/video-file.ts
+++ b/server/models/video/video-file.ts
@@ -14,6 +14,7 @@ import {
   UpdatedAt
 } from 'sequelize-typescript'
 import {
+  isVideoFileExtnameValid,
   isVideoFileInfoHashValid,
   isVideoFileResolutionValid,
   isVideoFileSizeValid,
@@ -58,7 +59,8 @@ export class VideoFileModel extends Model<VideoFileModel> {
   size: number
 
   @AllowNull(false)
-  @Column(DataType.ENUM(values(CONSTRAINTS_FIELDS.VIDEOS.EXTNAME)))
+  @Is('VideoFileExtname', value => throwIfNotValid(value, isVideoFileExtnameValid, 'extname'))
+  @Column
   extname: string
 
   @AllowNull(false)
diff --git a/server/models/video/video-format-utils.ts b/server/models/video/video-format-utils.ts
index e3f8d525b..de0747f22 100644
--- a/server/models/video/video-format-utils.ts
+++ b/server/models/video/video-format-utils.ts
@@ -2,7 +2,7 @@ import { Video, VideoDetails, VideoFile } from '../../../shared/models/videos'
 import { VideoModel } from './video'
 import { VideoFileModel } from './video-file'
 import { ActivityUrlObject, VideoTorrentObject } from '../../../shared/models/activitypub/objects'
-import { CONFIG, THUMBNAILS_SIZE, VIDEO_EXT_MIMETYPE } from '../../initializers'
+import { CONFIG, MIMETYPES, THUMBNAILS_SIZE } from '../../initializers'
 import { VideoCaptionModel } from './video-caption'
 import {
   getVideoCommentsActivityPubUrl,
@@ -207,8 +207,8 @@ function videoModelToActivityPubObject (video: VideoModel): VideoTorrentObject {
   for (const file of video.VideoFiles) {
     url.push({
       type: 'Link',
-      mimeType: VIDEO_EXT_MIMETYPE[ file.extname ] as any,
-      mediaType: VIDEO_EXT_MIMETYPE[ file.extname ] as any,
+      mimeType: MIMETYPES.VIDEO.EXT_MIMETYPE[ file.extname ] as any,
+      mediaType: MIMETYPES.VIDEO.EXT_MIMETYPE[ file.extname ] as any,
       href: video.getVideoFileUrl(file, baseUrlHttp),
       height: file.resolution,
       size: file.size,