diff --git a/ntp_core.c b/ntp_core.c
index 49d1ae7..8ac7e0d 100644
--- a/ntp_core.c
+++ b/ntp_core.c
@@ -914,8 +914,7 @@ receive_timeout(void *arg)
 {
   NCR_Instance inst = (NCR_Instance)arg;
 
-  DEBUG_LOG("Receive timeout for [%s:%d]",
-            UTI_IPToString(&inst->remote_addr.ip_addr), inst->remote_addr.port);
+  DEBUG_LOG("Receive timeout for %s", UTI_IPSockAddrToString(&inst->remote_addr));
 
   inst->rx_timeout_id = 0;
   close_client_socket(inst);
@@ -1172,8 +1171,7 @@ transmit_timeout(void *arg)
     return;
   }
 
-  DEBUG_LOG("Transmit timeout for [%s:%d]",
-      UTI_IPToString(&inst->remote_addr.ip_addr), inst->remote_addr.port);
+  DEBUG_LOG("Transmit timeout for %s", UTI_IPSockAddrToString(&inst->remote_addr));
 
   /* Open new client socket */
   if (inst->mode == MODE_CLIENT) {
@@ -2103,9 +2101,8 @@ NCR_ProcessRxUnknown(NTP_Remote_Address *remote_addr, NTP_Local_Address *local_a
     return;
 
   if (!ADF_IsAllowed(access_auth_table, &remote_addr->ip_addr)) {
-    DEBUG_LOG("NTP packet received from unauthorised host %s port %d",
-              UTI_IPToString(&remote_addr->ip_addr),
-              remote_addr->port);
+    DEBUG_LOG("NTP packet received from unauthorised host %s",
+              UTI_IPToString(&remote_addr->ip_addr));
     return;
   }
 
diff --git a/ntp_io.c b/ntp_io.c
index 48de724..5847956 100644
--- a/ntp_io.c
+++ b/ntp_io.c
@@ -433,8 +433,7 @@ NIO_SendPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr,
   assert(initialised);
 
   if (local_addr->sock_fd == INVALID_SOCK_FD) {
-    DEBUG_LOG("No socket to send to %s:%d",
-              UTI_IPToString(&remote_addr->ip_addr), remote_addr->port);
+    DEBUG_LOG("No socket to send to %s", UTI_IPSockAddrToString(remote_addr));
     return 0;
   }