diff --git a/src/lte/helper/lena-helper.cc b/src/lte/helper/lena-helper.cc
index 3968d0acc..8c29e7675 100644
--- a/src/lte/helper/lena-helper.cc
+++ b/src/lte/helper/lena-helper.cc
@@ -219,6 +219,14 @@ LenaHelper::InstallSingleUeDevice (Ptr<Node> n)
   
   Ptr<LteUeMac> mac = CreateObject<LteUeMac> ();
   Ptr<LteUeRrc> rrc = CreateObject<LteUeRrc> ();
+
+  // connect SAPs
+  rrc->SetLteUeCmacSapProvider (mac->GetLteUeCmacSapProvider ());
+  mac->SetLteUeCmacSapUser (rrc->GetLteUeCmacSapUser ());
+  rrc->SetLteMacSapProvider (mac->GetLteMacSapProvider ());
+  phy->SetLteUePhySapUser (mac->GetLteUePhySapUser ());
+  mac->SetLteUePhySapProvider (phy->GetLteUePhySapProvider ());
+
   Ptr<LteUeNetDevice> dev = CreateObject<LteUeNetDevice> (n, phy, mac, rrc);
   phy->SetDevice (dev);
   dlPhy->SetDevice (dev);
diff --git a/src/lte/model/lte-ue-net-device.cc b/src/lte/model/lte-ue-net-device.cc
index 44d31045b..865c6c93b 100644
--- a/src/lte/model/lte-ue-net-device.cc
+++ b/src/lte/model/lte-ue-net-device.cc
@@ -62,7 +62,6 @@ LteUeNetDevice::LteUeNetDevice (void)
 {
   NS_LOG_FUNCTION (this);
   NS_FATAL_ERROR ("This constructor should not be called");
-  InitLteUeNetDevice ();
 }
 
 
@@ -72,13 +71,8 @@ LteUeNetDevice::LteUeNetDevice (Ptr<Node> node, Ptr<LteUePhy> phy, Ptr<LteUeMac>
   m_phy = phy;
   m_mac = mac;
   m_rrc = rrc;
-  InitLteUeNetDevice ();
   SetNode (node);
-  /**
-  * WILD HACK
-  * to be translated to PHY-SAP primitive
-  */
-  phy->DoSetBandwidth (25,25);
+  UpdateConfig ();
 }
 
 LteUeNetDevice::~LteUeNetDevice (void)
@@ -101,14 +95,14 @@ LteUeNetDevice::DoDispose (void)
 }
 
 void
-LteUeNetDevice::InitLteUeNetDevice (void)
+LteUeNetDevice::UpdateConfig (void)
 {
   NS_LOG_FUNCTION (this);
-  m_rrc->SetLteUeCmacSapProvider (m_mac->GetLteUeCmacSapProvider ());
-  m_mac->SetLteUeCmacSapUser (m_rrc->GetLteUeCmacSapUser ());
-  m_rrc->SetLteMacSapProvider (m_mac->GetLteMacSapProvider ());
-  m_phy->SetLteUePhySapUser (m_mac->GetLteUePhySapUser ());
-  m_mac->SetLteUePhySapProvider (m_phy->GetLteUePhySapProvider ());
+  /**
+  * WILD HACK
+  * to be translated to PHY-SAP primitive, or maybe to be set through RRC
+  */
+  m_phy->DoSetBandwidth (25,25);
 }
 
 
diff --git a/src/lte/model/lte-ue-net-device.h b/src/lte/model/lte-ue-net-device.h
index 4f81bce85..e4e12f9fc 100644
--- a/src/lte/model/lte-ue-net-device.h
+++ b/src/lte/model/lte-ue-net-device.h
@@ -69,12 +69,6 @@ public:
 
   Ptr<LteUePhy> GetPhy (void) const;
 
-  /**
-   * \brief Initialize the UE
-   */
-
-  void InitLteUeNetDevice (void);
-
   /**
    * \brief Set the targer eNB where the UE is registered
    * \param enb
@@ -95,6 +89,8 @@ private:
 
   void DoReceive (Ptr<Packet> p);
 
+  void UpdateConfig (void);
+
   Ptr<LteEnbNetDevice> m_targetEnb;
 
   Ptr<LteUeMac> m_mac;