diff --git a/binding.gyp b/binding.gyp
index 7cc8a58..1b68b63 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -617,6 +617,7 @@
         'src/core/lib/iomgr/udp_server.c',
         'src/core/lib/iomgr/unix_sockets_posix.c',
         'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+        'src/core/lib/iomgr/wakeup_fd_cv.c',
         'src/core/lib/iomgr/wakeup_fd_eventfd.c',
         'src/core/lib/iomgr/wakeup_fd_nospecial.c',
         'src/core/lib/iomgr/wakeup_fd_pipe.c',