diff --git a/src/internet/model/tcp-cubic.cc b/src/internet/model/tcp-cubic.cc
index 24298a338..ea9a47649 100644
--- a/src/internet/model/tcp-cubic.cc
+++ b/src/internet/model/tcp-cubic.cc
@@ -173,6 +173,12 @@ TcpCubic::GetName() const
     return "TcpCubic";
 }
 
+void
+TcpCubic::Init(Ptr<TcpSocketState> tcb)
+{
+    HystartReset(tcb);
+}
+
 void
 TcpCubic::HystartReset(Ptr<const TcpSocketState> tcb)
 {
diff --git a/src/internet/model/tcp-cubic.h b/src/internet/model/tcp-cubic.h
index 9da52ee1b..fdcda278c 100644
--- a/src/internet/model/tcp-cubic.h
+++ b/src/internet/model/tcp-cubic.h
@@ -101,6 +101,7 @@ class TcpCubic : public TcpCongestionOps
                             const TcpSocketState::TcpCongState_t newState) override;
 
     Ptr<TcpCongestionOps> Fork() override;
+    void Init(Ptr<TcpSocketState> tcb) override;
 
   private:
     bool m_fastConvergence; //!< Enable or disable fast convergence algorithm