1 files changed, 2 insertions, 0 deletions
diff --git a/seqWindow.cpp b/seqWindow.cpp
index 9736f53..3501959 100644
--- a/seqWindow.cpp
+++ b/seqWindow.cpp
@@ -69,6 +69,8 @@ bool SeqWindow::hasSeqNr(sender_id_t sender, seq_nr_t seq)
 void SeqWindow::addSeqNr(sender_id_t sender, seq_nr_t seq)
 {
   Lock lock(mutex_);
+  if(sender_[sender].size() >= window_size_)
+    sender_[sender].pop_front();
   sender_[sender].push_back(seq);
 }