diff --git a/app/master/daemon/master/master_ent.cpp b/app/master/daemon/master/master_ent.cpp
index 01d9916d3..ca445d9cc 100644
--- a/app/master/daemon/master/master_ent.cpp
+++ b/app/master/daemon/master/master_ent.cpp
@@ -455,7 +455,7 @@ static int service_transport(ACL_XINETD_CFG_PARSER *xcp, ACL_MASTER_SERV *serv)
 		return -1;
 	}
 
-	if (get_bool_ent(xcp, ACL_VAR_MASTER_SERV_REUSEPORT, "n"))
+	if (get_bool_ent(xcp, ACL_VAR_MASTER_SERV_REUSEPORT, "y"))
 		serv->inet_flags |= ACL_INET_FLAG_REUSEPORT;
 	if (get_bool_ent(xcp, ACL_VAR_MASTER_SERV_FASTOPEN, "n"))
 		serv->inet_flags |= ACL_INET_FLAG_FASTOPEN;
diff --git a/app/master/daemon/master/master_listen.cpp b/app/master/daemon/master/master_listen.cpp
index f40c782e0..bf0c8c8b5 100644
--- a/app/master/daemon/master/master_listen.cpp
+++ b/app/master/daemon/master/master_listen.cpp
@@ -129,13 +129,18 @@ static int master_listen_inet(ACL_MASTER_SERV *serv)
 
 static int master_bind_udp(ACL_MASTER_SERV *serv)
 {
-#ifdef SO_REUSEPORT
-	serv->listen_fd_count = 0;
-#else
 	const char *myname = "master_bind_udp";
 	ACL_ITER iter;
 	int   i = 0;
 
+#ifdef SO_REUSEPORT
+	if ((serv->inet_flags & ACL_INET_FLAG_REUSEPORT) != 0) {
+		serv->listen_fd_count = 0;
+		acl_msg_info("%s(%d): master_reuseport set", myname, __LINE__);
+		return 0;
+	}
+#endif
+
 	if (serv->listen_fd_count != acl_array_size(serv->addrs))
 		acl_msg_panic("listen_fd_count(%d) != addrs's size(%d)",
 			serv->listen_fd_count, acl_array_size(serv->addrs));
@@ -177,7 +182,7 @@ static int master_bind_udp(ACL_MASTER_SERV *serv)
 			__FILE__, __LINE__, myname);
 		serv->listen_fd_count = i;
 	}
-#endif
+
 	return serv->listen_fd_count;
 }