--- a/services/listen_dnsport.c	2020-11-16 20:07:44.494582149 -0400
+++ b/services/listen_dnsport.c	2020-11-16 20:07:31.074585943 -0400
@@ -533,7 +533,7 @@
 				return -1;
 			}
 		}
-#  elif defined(IP_DONTFRAG)
+#  elif defined(IP_DONTFRAG) && !defined(__APPLE__)
 		int off = 0;
 		if (setsockopt(s, IPPROTO_IP, IP_DONTFRAG, 
 			&off, (socklen_t)sizeof(off)) < 0) {
