diff --git a/builds/gyp/platform.hpp b/builds/gyp/platform.hpp
index 593d9ef9..ae3db3e3 100644
--- a/builds/gyp/platform.hpp
+++ b/builds/gyp/platform.hpp
@@ -43,6 +43,7 @@
 #elif defined ZMQ_HAVE_OSX
 #   define ZMQ_USE_KQUEUE 1
 #   define HAVE_POSIX_MEMALIGN 1
+#   define ZMQ_HAVE_IFADDRS 1
 #   define ZMQ_HAVE_SO_KEEPALIVE 1
 #   define ZMQ_HAVE_TCP_KEEPALIVE 1
 #   define ZMQ_HAVE_TCP_KEEPCNT 1