diff --git a/src/internet/model/tcp-socket-base.cc b/src/internet/model/tcp-socket-base.cc
index 48b67d443..a148278d1 100644
--- a/src/internet/model/tcp-socket-base.cc
+++ b/src/internet/model/tcp-socket-base.cc
@@ -2028,6 +2028,7 @@ TcpSocketBase::ProcessSynSent (Ptr<Packet> packet, const TcpHeader& tcpHeader)
     { // Bare data, accept it and move to ESTABLISHED state. This is not a normal behaviour. Remove this?
       NS_LOG_DEBUG ("SYN_SENT -> ESTABLISHED");
       m_congestionControl->CongestionStateSet (m_tcb, TcpSocketState::CA_OPEN);
+      m_tcb->m_congState = TcpSocketState::CA_OPEN;
       m_state = ESTABLISHED;
       m_connected = true;
       m_retxEvent.Cancel ();
@@ -2065,6 +2066,7 @@ TcpSocketBase::ProcessSynSent (Ptr<Packet> packet, const TcpHeader& tcpHeader)
     { // Handshake completed
       NS_LOG_DEBUG ("SYN_SENT -> ESTABLISHED");
       m_congestionControl->CongestionStateSet (m_tcb, TcpSocketState::CA_OPEN);
+      m_tcb->m_congState = TcpSocketState::CA_OPEN;
       m_state = ESTABLISHED;
       m_connected = true;
       m_retxEvent.Cancel ();
@@ -2123,6 +2125,7 @@ TcpSocketBase::ProcessSynRcvd (Ptr<Packet> packet, const TcpHeader& tcpHeader,
       // handshake is completed nicely.
       NS_LOG_DEBUG ("SYN_RCVD -> ESTABLISHED");
       m_congestionControl->CongestionStateSet (m_tcb, TcpSocketState::CA_OPEN);
+      m_tcb->m_congState = TcpSocketState::CA_OPEN;
       m_state = ESTABLISHED;
       m_connected = true;
       m_retxEvent.Cancel ();