diff --git a/macosx/coremidi/JackCoreMidiOutputPort.mm b/macosx/coremidi/JackCoreMidiOutputPort.mm
index f62ebaffb..e263af95a 100644
--- a/macosx/coremidi/JackCoreMidiOutputPort.mm
+++ b/macosx/coremidi/JackCoreMidiOutputPort.mm
@@ -18,6 +18,7 @@
 */
 
 #include <cassert>
+#include <memory>
 #include <cerrno>
 #include <cstring>
 #include <new>
diff --git a/macosx/coremidi/JackCoreMidiPort.mm b/macosx/coremidi/JackCoreMidiPort.mm
index 093073974..f52e0d342 100644
--- a/macosx/coremidi/JackCoreMidiPort.mm
+++ b/macosx/coremidi/JackCoreMidiPort.mm
@@ -18,6 +18,7 @@
 */
 
 #include <cassert>
+#include <algorithm>
 
 #include "JackCoreMidiPort.h"
 #include "JackCoreMidiUtil.h"