diff --git a/doc/Changelog b/doc/Changelog
index a4c4792ff..8ac0d50e4 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -4,6 +4,7 @@
 	- Fix #350: with the AF_NETLINK permission, to fix 1.12.0 error:
 	  failed to list interfaces: getifaddrs: Address family not
 	  supported by protocol.
+	- Fix #347: IP_DONTFRAG broken on Apple xcode 12.2.
 
 12 November 2020: Wouter
 	- Fix to connect() to UDP destinations, default turned on,
diff --git a/services/listen_dnsport.c b/services/listen_dnsport.c
index 10a7aec60..bd87aac56 100644
--- a/services/listen_dnsport.c
+++ b/services/listen_dnsport.c
@@ -531,7 +531,9 @@ create_udp_sock(int family, int socktype, struct sockaddr* addr,
 				return -1;
 			}
 		}
-#  elif defined(IP_DONTFRAG)
+#  elif defined(IP_DONTFRAG) && !defined(__APPLE__)
+		/* the IP_DONTFRAG option if defined in the 11.0 OSX headers,
+		 * but does not work on that version, so we exclude it */
 		int off = 0;
 		if (setsockopt(s, IPPROTO_IP, IP_DONTFRAG, 
 			&off, (socklen_t)sizeof(off)) < 0) {