diff --git a/src/aodv/test/tcp-chain-test-0-0.pcap b/src/aodv/test/tcp-chain-test-0-0.pcap
index 5f7f29c01..db12bb073 100644
Binary files a/src/aodv/test/tcp-chain-test-0-0.pcap and b/src/aodv/test/tcp-chain-test-0-0.pcap differ
diff --git a/src/aodv/test/tcp-chain-test-9-0.pcap b/src/aodv/test/tcp-chain-test-9-0.pcap
index 12038ecd7..a120a8353 100644
Binary files a/src/aodv/test/tcp-chain-test-9-0.pcap and b/src/aodv/test/tcp-chain-test-9-0.pcap differ
diff --git a/src/internet/model/tcp-socket-base.cc b/src/internet/model/tcp-socket-base.cc
index 3de68ae13..6817ffcc2 100644
--- a/src/internet/model/tcp-socket-base.cc
+++ b/src/internet/model/tcp-socket-base.cc
@@ -1719,7 +1719,10 @@ TcpSocketBase::DoRetransmit ()
     }
   // Retransmit a data packet: Call SendDataPacket
   NS_LOG_LOGIC ("TcpSocketBase " << this << " retxing seq " << m_txBuffer.HeadSequence ());
-  SendDataPacket (m_txBuffer.HeadSequence (), m_segmentSize, true);
+  uint32_t sz = SendDataPacket (m_txBuffer.HeadSequence (), m_segmentSize, true);
+  // In case of RTO, advance m_nextTxSequence
+  m_nextTxSequence = std::max (m_nextTxSequence.Get (), m_txBuffer.HeadSequence () + sz);
+
 }
 
 void