1 files changed, 2 insertions, 2 deletions
diff --git a/libs/ardour/ardour/panner_manager.h b/libs/ardour/ardour/panner_manager.h
index c34d22285d..1db4a27e52 100644
--- a/libs/ardour/ardour/panner_manager.h
+++ b/libs/ardour/ardour/panner_manager.h
@@ -27,7 +27,7 @@
 
 namespace ARDOUR {
 
-struct PannerInfo {
+struct LIBARDOUR_API PannerInfo {
 	PanPluginDescriptor descriptor;
 	Glib::Module* module;
 
@@ -41,7 +41,7 @@ struct PannerInfo {
 	}
 };
 
-class PannerManager : public ARDOUR::SessionHandlePtr
+class LIBARDOUR_API PannerManager : public ARDOUR::SessionHandlePtr
 {
 public:
 	~PannerManager ();