diff --git a/src/wave/model/vsa-manager.cc b/src/wave/model/vsa-manager.cc
index 8f2bf060f..ecc57112e 100644
--- a/src/wave/model/vsa-manager.cc
+++ b/src/wave/model/vsa-manager.cc
@@ -174,6 +174,7 @@ VsaManager::DoSendVsa (enum VsaTransmitInterval  interval, uint32_t channel,
   vsc->AddPacketTag (qosTag);
 
   WifiTxVector txVector;
+  txVector.SetChannelWidth (10);
   txVector.SetTxPowerLevel (manager->GetManagementPowerLevel (channel));
   txVector.SetMode (manager->GetManagementDataRate (channel));
   HigherLayerTxVectorTag tag = HigherLayerTxVectorTag (txVector, manager->GetManagementAdaptable (channel));
diff --git a/src/wave/model/wave-mac-low.cc b/src/wave/model/wave-mac-low.cc
index 2d0de0510..16bc7a6d7 100644
--- a/src/wave/model/wave-mac-low.cc
+++ b/src/wave/model/wave-mac-low.cc
@@ -82,6 +82,7 @@ WaveMacLow::GetDataTxVector (Ptr<const Packet> packet, const WifiMacHeader *hdr)
   WifiTxVector txHigher = datatag.GetTxVector ();
   WifiTxVector txMac = MacLow::GetDataTxVector (packet, hdr);
   WifiTxVector txAdapter;
+  txAdapter.SetChannelWidth (10);
   // the DataRate set by higher layer is the minimum data rate
   // which is the lower bound for the actual data rate.
   if (txHigher.GetMode ().GetDataRate (txHigher.GetChannelWidth (), txHigher.IsShortGuardInterval (), 1) > txMac.GetMode ().GetDataRate (txMac.GetChannelWidth (), txMac.IsShortGuardInterval (), 1))
diff --git a/src/wave/model/wave-net-device.cc b/src/wave/model/wave-net-device.cc
index cf5438428..d4858c49e 100644
--- a/src/wave/model/wave-net-device.cc
+++ b/src/wave/model/wave-net-device.cc
@@ -408,6 +408,7 @@ WaveNetDevice::SendX (Ptr<Packet> packet, const Address & dest, uint32_t protoco
             }
         }
       WifiTxVector txVector;
+      txVector.SetChannelWidth (10);
       txVector.SetTxPowerLevel (txInfo.txPowerLevel);
       txVector.SetMode (txInfo.dataRate);
       HigherLayerTxVectorTag tag = HigherLayerTxVectorTag (txVector, false);