diff --git a/libs/ardour/midi_buffer.cc b/libs/ardour/midi_buffer.cc
index 36f6f0241a..e07fb7499b 100644
--- a/libs/ardour/midi_buffer.cc
+++ b/libs/ardour/midi_buffer.cc
@@ -256,7 +256,7 @@ MidiBuffer::insert_event (const Evoral::Event<TimeType>& ev)
 }
 
 uint32_t
-MidiBuffer::write(TimeType time, Evoral::EventType type, uint32_t size, const uint8_t* buf)
+MidiBuffer::write (TimeType time, Evoral::EventType type, uint32_t size, const uint8_t* buf)
 {
 	insert_event(Evoral::Event<TimeType>(type, time, size, const_cast<uint8_t*>(buf)));
 	return size;