diff --git a/headers/private/media/WriterPlugin.h b/headers/private/media/WriterPlugin.h
index e0012f8e1d..ffb9adbb42 100644
--- a/headers/private/media/WriterPlugin.h
+++ b/headers/private/media/WriterPlugin.h
@@ -12,14 +12,12 @@ class Writer {
 public:
 								Writer();
 	virtual						~Writer();
-	
+
 	virtual	status_t			SetCopyright(const char* copyright) = 0;
 	virtual	status_t			CommitHeader() = 0;
 	virtual	status_t			Flush() = 0;
 	virtual	status_t			Close() = 0;
 
-	virtual	void				GetFileFormatInfo(media_file_format* mff) = 0;
-
 	virtual	status_t			AllocateCookie(void** cookie) = 0;
 	virtual	status_t			FreeCookie(void* cookie) = 0;
 	
@@ -58,6 +56,14 @@ public: // XXX for test programs only
 class WriterPlugin : public virtual MediaPlugin {
 public:
 	virtual	Writer*				NewWriter() = 0;
+	// TODO: Perhaps change this interface to make it clear if we
+	// want the _fileFormats to be allocated! This is used in
+	// src/servers/media/AddOnManager.cpp:_RegisterWriter() and the
+	// objects are not freed by that method!
+	virtual	status_t			GetSupportedFileFormats(
+									media_file_format** _fileFormats,
+									size_t* _count) = 0;
+
 };
 
 } } // namespace BPrivate::media