diff --git a/freemodbus/tcp_master/port/port_tcp_master.c b/freemodbus/tcp_master/port/port_tcp_master.c
index 665d039..9cdb535 100644
--- a/freemodbus/tcp_master/port/port_tcp_master.c
+++ b/freemodbus/tcp_master/port/port_tcp_master.c
@@ -498,7 +498,7 @@ static BOOL xMBTCPPortMasterCheckHost(const CHAR *pcHostStr, ip_addr_t *pxHostAd
     if (pxHostAddr) {
         *pxHostAddr = xTargetAddr;
     }
-    ESP_LOGI(TAG, "Host[IP]: \"%s\"[%s]", pxAddrList->ai_canonname, pcStr);
+    ESP_LOGI(TAG, "Host[IP]: [%s]", pcStr);
     freeaddrinfo(pxAddrList);
     return TRUE;
 }
diff --git a/freemodbus/tcp_slave/port/port_tcp_slave.c b/freemodbus/tcp_slave/port/port_tcp_slave.c
index ed11d59..97d99a2 100644
--- a/freemodbus/tcp_slave/port/port_tcp_slave.c
+++ b/freemodbus/tcp_slave/port/port_tcp_slave.c
@@ -381,13 +381,7 @@ vMBTCPPortBindAddr(const CHAR* pcBindIp)
     xHint.ai_socktype = (xConfig.eMbProto == MB_PROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
     // The LWIP has an issue when connection to IPv6 socket
     xHint.ai_protocol = (xConfig.eMbProto == MB_PROTO_UDP) ? IPPROTO_UDP : IPPROTO_TCP;
-    xHint.ai_flags = AI_NUMERICSERV;
-
-    if (pcBindIp == NULL) {
-        xHint.ai_flags |= AI_PASSIVE;
-    } else {
-        xHint.ai_flags |= AI_CANONNAME;
-    }
+    xHint.ai_flags = AI_NUMERICSERV | AI_PASSIVE | AI_CANONNAME;
 
     if (asprintf(&pcStr, "%u", xConfig.usPort) == -1) {
         abort();