1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/ardour/chan_count.h b/libs/ardour/ardour/chan_count.h
index 03e2fcd8ff..9f9fd07543 100644
--- a/libs/ardour/ardour/chan_count.h
+++ b/libs/ardour/ardour/chan_count.h
@@ -38,7 +38,7 @@ namespace ARDOUR {
  * Operators are defined so this may safely be used as if it were a simple
  * (single-typed) integer count of channels.
  */
-class ChanCount {
+class LIBARDOUR_API ChanCount {
 public:
 	ChanCount(const XMLNode& node);
 	ChanCount() { reset(); }