X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_key.c;h=22692bb614e97632d2224bedbd77b1fb28647976;hb=ff71f289022ccb91abc2726f16522d55b5ccf0f6;hp=67f40af45caa660c93b8a207f2c568920878a6ec;hpb=cd0c2e86a403fc9aabecdc8d51413f94491b5494;p=tinc

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 67f40af4..22692bb6 100644
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -229,7 +229,7 @@ bool ans_key_h(connection_t *c) {
 			return true;
 		}
 
-		if(!*address) {
+		if(!*address && from->address.sa.sa_family != AF_UNSPEC) {
 			char *address, *port;
 			ifdebug(PROTOCOL) logger(LOG_DEBUG, "Appending reflexive UDP address to ANS_KEY from %s to %s", from->name, to->name);
 			sockaddr2str(&from->address, &address, &port);