diff --git a/testdata/golden/result/meta/everybody-betray-me.mkv b/testdata/golden/result/meta/everybody-betray-me.mkv
index d64a578..434da4a 100644
--- a/testdata/golden/result/meta/everybody-betray-me.mkv
+++ b/testdata/golden/result/meta/everybody-betray-me.mkv
@@ -1 +1 @@
-{"orientation":1,"duration":7407000000,"width":640,"height":480,"has_video":true,"has_audio":true,"has_alpha":false}
\ No newline at end of file
+{"format":".mkv","content_type":"video/x-matroska","orientation":1,"duration":7407000000,"width":640,"height":480,"has_video":true,"has_audio":true,"has_alpha":false}
\ No newline at end of file