From 84cc925b08e97098d00c54fff9c1244f91055de3 Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Mon, 28 Sep 2020 12:43:23 +0200
Subject: [PATCH] fix: Mimetype null

---
 lib/src/utils/matrix_file.dart | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/src/utils/matrix_file.dart b/lib/src/utils/matrix_file.dart
index 3c728f2..bfc0f3d 100644
--- a/lib/src/utils/matrix_file.dart
+++ b/lib/src/utils/matrix_file.dart
@@ -19,7 +19,8 @@ class MatrixFile {
   }
 
   MatrixFile({this.bytes, this.name, this.mimeType}) {
-    mimeType ??= lookupMimeType(name, headerBytes: bytes);
+    mimeType ??=
+        lookupMimeType(name, headerBytes: bytes) ?? 'application/octet-stream';
     name = name.split('/').last.toLowerCase();
   }