diff --git a/configure.ac b/configure.ac
index f09ec8c..2d029bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,6 +75,7 @@ AC_CHECK_FUNCS([mlockall])
 AC_CHECK_FUNCS([getpagesizes])
 AC_CHECK_FUNCS([memcntl])
 AC_CHECK_FUNCS([backtrace])
+AC_CHECK_FUNCS([accept4], [AC_DEFINE(HAVE_ACCEPT4, 1, [Define to 1 if support accept4])])
 
 # Search for library
 AC_SEARCH_LIBS([pthread_create], [pthread], [],
diff --git a/src/mc_core.c b/src/mc_core.c
index f163874..4495ccf 100644
--- a/src/mc_core.c
+++ b/src/mc_core.c
@@ -449,7 +449,11 @@ core_accept(struct conn *c)
     ASSERT(c->state == CONN_LISTEN);
 
     for (;;) {
+#if (HAVE_ACCEPT4)
+        sd = accept4(c->sd, NULL, NULL, SOCK_NONBLOCK);
+#else
         sd = accept(c->sd, NULL, NULL);
+#endif 
         if (sd < 0) {
             if (errno == EINTR) {
                 log_debug(LOG_VERB, "accept on s %d not ready - eintr", c->sd);
@@ -474,6 +478,7 @@ core_accept(struct conn *c)
         break;
     }
 
+#if !(HAVE_ACCEPT4)
     status = mc_set_nonblocking(sd);
     if (status != MC_OK) {
         log_error("set nonblock on c %d from s %d failed: %s", sd, c->sd,
@@ -481,6 +486,7 @@ core_accept(struct conn *c)
         close(sd);
         return;
     }
+#endif
 
     status = mc_set_keepalive(sd);
     if (status != MC_OK) {