1 files changed, 3 insertions, 1 deletions

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'
     })
   }