1 files changed, 6 insertions, 4 deletions
diff --git a/libs/evoral/evoral/MIDIParameters.hpp b/libs/evoral/evoral/MIDIParameters.hpp
index 931d29b48d..977c2c18a2 100644
--- a/libs/evoral/evoral/MIDIParameters.hpp
+++ b/libs/evoral/evoral/MIDIParameters.hpp
@@ -19,23 +19,25 @@
 #ifndef EVORAL_MIDI_PARAMETERS_HPP
 #define EVORAL_MIDI_PARAMETERS_HPP
 
+#include "evoral/visibility.h"
+
 namespace Evoral {
 namespace MIDI {
 
-struct ContinuousController : public Parameter {
+struct /*LIBEVORAL_API*/ ContinuousController : public Parameter {
 	ContinuousController(uint32_t cc_type, uint8_t channel, uint32_t controller)
 		: Parameter(cc_type, channel, controller) {}
 };
 
-struct ProgramChange : public Parameter {
+struct /*LIBEVORAL_API*/ ProgramChange : public Parameter {
 	ProgramChange(uint32_t pc_type, uint8_t channel) : Parameter(pc_type, channel, 0) {}
 };
 
-struct ChannelPressure : public Parameter {
+struct /*LIBEVORAL_API*/ ChannelPressure : public Parameter {
 	ChannelPressure(uint32_t ca_type, uint32_t channel) : Parameter(ca_type, channel, 0) {}
 };
 
-struct PitchBender : public Parameter {
+struct /*LIBEVORAL_API*/ PitchBender : public Parameter {
 	PitchBender(uint32_t pb_type, uint32_t channel) : Parameter(pb_type, channel, 0) {}
 };