1 files changed, 2 insertions, 2 deletions
diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h
index 5a856e9b36..cb0b5a129f 100644
--- a/libs/ardour/ardour/audio_diskstream.h
+++ b/libs/ardour/ardour/audio_diskstream.h
@@ -42,7 +42,7 @@
 #include "ardour/port.h"
 #include "ardour/interpolation.h"
 
-struct tm;
+struct LIBARDOUR_API tm;
 
 namespace ARDOUR {
 
@@ -53,7 +53,7 @@ class AudioPlaylist;
 class AudioFileSource;
 class IO;
 
-class AudioDiskstream : public Diskstream
+class LIBARDOUR_API AudioDiskstream : public Diskstream
 {
   public:
 	AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable);