diff --git a/fluidsynth/src/drivers/fluid_coreaudio.c b/fluidsynth/src/drivers/fluid_coreaudio.c
index efb5a75a..c64f4e03 100644
--- a/fluidsynth/src/drivers/fluid_coreaudio.c
+++ b/fluidsynth/src/drivers/fluid_coreaudio.c
@@ -33,6 +33,7 @@
 #include "config.h"
 
 #if COREAUDIO_SUPPORT
+#include <CoreServices/CoreServices.h>
 #include <CoreAudio/CoreAudioTypes.h>
 #include <AudioUnit/AudioUnit.h>