--- src/flb_network.c	2025-03-25 06:35:10.000000000 +0800
+++ src/flb_network.c	2025-07-26 13:33:47.000000000 +0800
@@ -308,18 +308,21 @@
  */
 int flb_net_socket_tcp_keepalive(flb_sockfd_t fd, struct flb_net_setup *net)
 {
-    int interval;
     int enabled;
-    int probes;
     int time;
     int ret;
+#ifndef __APPLE__
+    int interval;
+    int probes;
+#endif
 
     enabled = 1;
 
     time = net->tcp_keepalive_time;
+#ifndef __APPLE__
     probes = net->tcp_keepalive_probes;
     interval = net->tcp_keepalive_interval;
-
+#endif
     ret = setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
                      (const void *) &enabled, sizeof(enabled));
 
@@ -330,7 +333,7 @@
                 ret = setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE,
 #endif
                 (const void *) &time, sizeof(time));    }
-
+#ifndef __APPLE__
     if (ret == 0 && interval >= 0) {
         ret = setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL,
                          (const void *) &interval, sizeof(interval));
@@ -340,7 +343,7 @@
         ret = setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT,
                          (const void *) &probes, sizeof(probes));
     }
-
+#endif
     if (ret != 0) {
         flb_error("[net] failed to configure TCP keepalive for connection #%i", fd);