diff --git a/include/RemotePlugin.h b/include/RemotePlugin.h
index edf09efbe..80a30af3e 100644
--- a/include/RemotePlugin.h
+++ b/include/RemotePlugin.h
@@ -42,7 +42,9 @@
 #endif
 
 #ifdef LMMS_BUILD_APPLE
+#include <unistd.h>
 #define USE_QT_SEMAPHORES
+#define USE_QT_SHMEM
 #endif