diff --git a/skynet-src/skynet_main.c b/skynet-src/skynet_main.c
index f08feef2..3e394d11 100644
--- a/skynet-src/skynet_main.c
+++ b/skynet-src/skynet_main.c
@@ -78,6 +78,8 @@ _init_env(lua_State *L) {
 int sigign() {
 	struct sigaction sa;
 	sa.sa_handler = SIG_IGN;
+	sa.sa_flags = 0;
+	sigemptyset(&sa.sa_mask);
 	sigaction(SIGPIPE, &sa, 0);
 	return 0;
 }