diff --git a/libtransmission/announcer-udp.cc b/libtransmission/announcer-udp.cc
index 47a3da9b6..d4ca41a72 100644
--- a/libtransmission/announcer-udp.cc
+++ b/libtransmission/announcer-udp.cc
@@ -248,7 +248,7 @@ struct tau_announce_request
                 response.pex = tr_pex::from_compact_ipv4(std::data(buf), std::size(buf), nullptr, 0);
                 break;
             case TR_AF_INET6:
-                response.pex = tr_pex::from_compact_ipv6(std::data(buf), std::size(buf), nullptr, 0);
+                response.pex6 = tr_pex::from_compact_ipv6(std::data(buf), std::size(buf), nullptr, 0);
                 break;
             default:
                 break;
diff --git a/tests/libtransmission/announcer-udp-test.cc b/tests/libtransmission/announcer-udp-test.cc
index 68532cd4c..65787b373 100644
--- a/tests/libtransmission/announcer-udp-test.cc
+++ b/tests/libtransmission/announcer-udp-test.cc
@@ -753,8 +753,8 @@ TEST_F(AnnouncerUdpTest, canAnnounceIPv6)
     expected_response.seeders = Seeders;
     expected_response.leechers = Leechers;
     expected_response.downloads = std::nullopt; // not specified in UDP announce
-    expected_response.pex = std::vector<tr_pex>{ tr_pex{ addresses[0] }, tr_pex{ addresses[1] }, tr_pex{ addresses[2] } };
-    expected_response.pex6 = {};
+    expected_response.pex = {};
+    expected_response.pex6 = std::vector<tr_pex>{ tr_pex{ addresses[0] }, tr_pex{ addresses[1] }, tr_pex{ addresses[2] } };
     expected_response.errmsg = {};
     expected_response.warning = {};
     expected_response.tracker_id = {}; // not specified in UDP announce