1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/ardour/source_factory.h b/libs/ardour/ardour/source_factory.h
index c94f783b44..4ef2cd60ee 100644
--- a/libs/ardour/ardour/source_factory.h
+++ b/libs/ardour/ardour/source_factory.h
@@ -36,7 +36,7 @@ class Session;
 class AudioSource;
 class Playlist;
 
-class SourceFactory {
+class LIBARDOUR_API SourceFactory {
   public:
 	static void init ();