diff --git a/MetadataExtractor/Formats/QuickTime/QuickTimeTypeChecker.cs b/MetadataExtractor/Formats/QuickTime/QuickTimeTypeChecker.cs
index 079e76261..a45ba63a2 100644
--- a/MetadataExtractor/Formats/QuickTime/QuickTimeTypeChecker.cs
+++ b/MetadataExtractor/Formats/QuickTime/QuickTimeTypeChecker.cs
@@ -46,6 +46,7 @@ internal sealed class QuickTimeTypeChecker : ITypeChecker
             { Util.FileType.Mp4, Encoding.UTF8.GetBytes("NDXM") },
             { Util.FileType.Mp4, Encoding.UTF8.GetBytes("NDXP") },
             { Util.FileType.Mp4, Encoding.UTF8.GetBytes("NDXS") },
+            { Util.FileType.Mp4, Encoding.UTF8.GetBytes("nvr1") },
 
             // HEIF
             { Util.FileType.Heif, Encoding.UTF8.GetBytes("mif1") },