diff --git a/client/comms.c b/client/comms.c
index d42bd09fb..8d2c8f733 100644
--- a/client/comms.c
+++ b/client/comms.c
@@ -19,6 +19,7 @@
 #include "ui.h"
 #include "crc16.h"
 #include "util_posix.h" // msclock
+#include "util_darwin.h" // en/dis-ableNapp();
 
 //#define COMMS_DEBUG
 //#define COMMS_DEBUG_RAW