2 files changed, 5 insertions, 3 deletions

diff --git a/server/helpers/custom-validators/videos.ts b/server/helpers/custom-validators/videos.ts
index e6f22e6c5..95e256b8f 100644
--- a/server/helpers/custom-validators/videos.ts
+++ b/server/helpers/custom-validators/videos.ts
@@ -88,8 +88,8 @@ function isVideoFileExtnameValid (value: string) {
 
 function isVideoFile (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[]) {
   const videoFileTypesRegex = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
-                               .map(m => `(${m})`)
-                               .join('|')
+                                    .map(m => `(${m})`)
+                                    .join('|')
 
   return isFileValid(files, videoFileTypesRegex, 'videofile', null)
 }
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 93fdd3f03..6f3ebb9aa 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -795,7 +795,9 @@ function buildVideoMimetypeExt () {
       'video/quicktime': '.mov',
       'video/x-msvideo': '.avi',
       'video/x-flv': '.flv',
-      'video/x-matroska': '.mkv'
+      'video/x-matroska': '.mkv',
+      'application/octet-stream': '.mkv',
+      'video/avi': '.avi'
     })
   }