diff --git a/src/control_server.c b/src/control_server.c
index 6b03e490..6708acc3 100644
--- a/src/control_server.c
+++ b/src/control_server.c
@@ -12,6 +12,7 @@
 #include "route_lib.h"
 #include "route_bgp.h"
 #include "pkt_normalizer.h"
+#include "../tools/etcpmon/etcpmon_protocol.h"
 #include "../lib/u_async.h"
 #include "../lib/debug_config.h"
 #include "../lib/mem.h"
@@ -812,8 +813,8 @@ static void send_socket_list(struct control_server* server, struct control_clien
     struct etcpmon_socket_info* info = (struct etcpmon_socket_info*)(buffer + sizeof(*hdr) + sizeof(*rsp));
     sock = instance->etcp_sockets;
     for (uint8_t i = 0; i < count && sock; i++) {
-        strncpy(info[i].name, sock->name, sizeof(info[i].name) - 1);
-        info[i].name[sizeof(info[i].name) - 1] = '\0';
+        strncpy(info[i].name, sock->name, ETCPMON_MAX_CONN_NAME - 1);
+        info[i].name[ETCPMON_MAX_CONN_NAME - 1] = '\0';
         info[i].is_ipv6 = (sock->local_addr.ss_family == AF_INET6) ? 1 : 0;
         if (sock->local_addr.ss_family == AF_INET) {
             struct sockaddr_in* sin = (struct sockaddr_in*)&sock->local_addr;