1 files changed, 2 insertions, 1 deletions
diff --git a/libs/ardour/ardour/control_protocol_manager.h b/libs/ardour/ardour/control_protocol_manager.h
index 19abbaf6be..20358025f1 100644
--- a/libs/ardour/ardour/control_protocol_manager.h
+++ b/libs/ardour/ardour/control_protocol_manager.h
@@ -35,7 +35,8 @@ class ControlProtocol;
 class ControlProtocolDescriptor;
 class Session;
 
-struct ControlProtocolInfo {
+class ControlProtocolInfo {
+public:
     ControlProtocolDescriptor* descriptor;
     ControlProtocol* protocol;
     std::string name;