tracker/server/server.go | 2 +-

diff --git a/tracker/server/server.go b/tracker/server/server.go
index ced31616b7f789dbff52eb70649dae0596f1aed3..6e845eee183fa06b8b1e63ef80df14c4789e5ec8 100644
--- a/tracker/server/server.go
+++ b/tracker/server/server.go
@@ -87,7 +87,7 @@ func (me augmentationOperation) getCurPeersAndDone() (ret peerSet, done bool) {
 	select {
 	case ret = <-me.curPeers:
 	case <-me.doneAnnouncing:
-		ret = me.finalPeers
+		ret = copyPeerSet(me.finalPeers)
 		done = true
 	}
 	return