diff --git a/sw/simulator/nps/nps_fdm_crrcsim.c b/sw/simulator/nps/nps_fdm_crrcsim.c
index 3dcd63f0a4..d2223b8de0 100644
--- a/sw/simulator/nps/nps_fdm_crrcsim.c
+++ b/sw/simulator/nps/nps_fdm_crrcsim.c
@@ -460,6 +460,11 @@ void decode_imupacket(struct NpsFdm * fdm, byte* buffer)
 #endif
 }
 
+// compatibility with OSX
+#ifdef __APPLE__
+#define MSG_NOSIGNAL SO_NOSIGPIPE
+#endif
+
 /***************************************************************************************
  * send servo command over udp
  ***************************************************************************************/