diff --git a/src/NoteTrack.h b/src/NoteTrack.h
index 6034c3cc8..cb6fbc18e 100644
--- a/src/NoteTrack.h
+++ b/src/NoteTrack.h
@@ -15,10 +15,11 @@
 #include "Audacity.h"
 #include "Experimental.h"
 #include "Track.h"
-#include "allegro.h"
 
 #if defined(USE_MIDI)
 
+#include "allegro.h"
+
 // define this switch to play MIDI during redisplay to sonify run times
 // Note that if SONIFY is defined, the default MIDI device will be opened
 // and may block normal MIDI playback.