--- mDNSPosix/mDNSPosix.c.orig
+++ mDNSPosix/mDNSPosix.c
@@ -645,7 +645,8 @@ mDNSlocal int SetupSocket(struct sockaddr *intfAddr, mDNSIPPort port, int interf
         // to bind to the socket. Our suggestion was to switch the order in which
         // SO_REUSEPORT and SO_REUSEADDR was tested so that SO_REUSEADDR stays on
         // top and SO_REUSEPORT to be used only if SO_REUSEADDR doesn't exist.
-        #if defined(SO_REUSEADDR) && !defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+        #if defined(SO_REUSEADDR) && !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) \
+                                  && !defined(__FreeBSD__)
         err = setsockopt(*sktPtr, SOL_SOCKET, SO_REUSEADDR, &kOn, sizeof(kOn));
         #elif defined(SO_REUSEPORT)
         err = setsockopt(*sktPtr, SOL_SOCKET, SO_REUSEPORT, &kOn, sizeof(kOn));