1 files changed, 1 insertions, 1 deletions
diff --git a/src/Metadata.h b/src/Metadata.h
index 78c3445..ab11034 100755
--- a/src/Metadata.h
+++ b/src/Metadata.h
@@ -1298,7 +1298,7 @@ namespace ASDCP
 	};
 
       //
-      class IABEssenceDescriptor : public FileDescriptor
+      class IABEssenceDescriptor : public GenericSoundEssenceDescriptor
 	{
 	  IABEssenceDescriptor();