diff --git a/src/wifi/model/non-ht/dsss-phy.cc b/src/wifi/model/non-ht/dsss-phy.cc
index b2cc76943..975729d88 100644
--- a/src/wifi/model/non-ht/dsss-phy.cc
+++ b/src/wifi/model/non-ht/dsss-phy.cc
@@ -220,6 +220,22 @@ DsssPhy::EndReceiveHeader (Ptr<Event> event)
   return status;
 }
 
+uint16_t
+DsssPhy::GetRxChannelWidth (const WifiTxVector& txVector) const
+{
+  if (m_wifiPhy->GetChannelWidth () > 20)
+    {
+      /*
+       * This is a workaround necessary with HE-capable PHYs,
+       * since their DSSS entity will reuse its RxSpectrumModel.
+       * Without this hack, SpectrumWifiPhy::GetBand will crash.
+       * FIXME: see issue #402 for a better solution.
+       */
+      return 20;
+    }
+  return PhyEntity::GetRxChannelWidth (txVector);
+}
+
 Ptr<SpectrumValue>
 DsssPhy::GetTxPowerSpectralDensity (double txPowerW, Ptr<const WifiPpdu> ppdu) const
 {
diff --git a/src/wifi/model/non-ht/dsss-phy.h b/src/wifi/model/non-ht/dsss-phy.h
index 3193ce860..d2b374d83 100644
--- a/src/wifi/model/non-ht/dsss-phy.h
+++ b/src/wifi/model/non-ht/dsss-phy.h
@@ -157,6 +157,7 @@ public:
 private:
   PhyFieldRxStatus DoEndReceiveField (WifiPpduField field, Ptr<Event> event) override;
   Ptr<SpectrumValue> GetTxPowerSpectralDensity (double txPowerW, Ptr<const WifiPpdu> ppdu) const override;
+  uint16_t GetRxChannelWidth (const WifiTxVector& txVector) const override;
 
   /**
    * \param txVector the transmission parameters
diff --git a/src/wifi/model/phy-entity.cc b/src/wifi/model/phy-entity.cc
index 9991f6216..17ff1473a 100644
--- a/src/wifi/model/phy-entity.cc
+++ b/src/wifi/model/phy-entity.cc
@@ -717,7 +717,7 @@ PhyEntity::GetReceptionStatus (Ptr<const WifiPsdu> psdu, Ptr<Event> event, uint1
 std::pair<uint16_t, WifiSpectrumBand>
 PhyEntity::GetChannelWidthAndBand (const WifiTxVector& txVector, uint16_t /* staId */) const
 {
-  uint16_t channelWidth = std::min (m_wifiPhy->GetChannelWidth (), txVector.GetChannelWidth ());
+  uint16_t channelWidth = GetRxChannelWidth (txVector);
   return std::make_pair (channelWidth, m_wifiPhy->GetPrimaryBand (channelWidth));
 }
 
@@ -1008,7 +1008,13 @@ PhyEntity::GetCurrentEvent (void) const
 uint16_t
 PhyEntity::GetMeasurementChannelWidth (const Ptr<const WifiPpdu> ppdu) const
 {
-  return std::min (m_wifiPhy->GetChannelWidth (), ppdu->GetTxVector ().GetChannelWidth ());
+  return GetRxChannelWidth (ppdu->GetTxVector ());
+}
+
+uint16_t
+PhyEntity::GetRxChannelWidth (const WifiTxVector& txVector) const
+{
+  return std::min (m_wifiPhy->GetChannelWidth (), txVector.GetChannelWidth ());
 }
 
 uint64_t
diff --git a/src/wifi/model/phy-entity.h b/src/wifi/model/phy-entity.h
index 9d530c9f4..617822997 100644
--- a/src/wifi/model/phy-entity.h
+++ b/src/wifi/model/phy-entity.h
@@ -432,6 +432,14 @@ public:
    */
   virtual uint16_t GetMeasurementChannelWidth (const Ptr<const WifiPpdu> ppdu) const;
 
+  /**
+   * Return the channel width used in the reception spectrum model.
+   *
+   * \param txVector the TXVECTOR of the PPDU that is being received
+   * \return the channel width (in MHz) used for RxSpectrumModel
+   */
+  virtual uint16_t GetRxChannelWidth (const WifiTxVector& txVector) const;
+
   /**
    * This function is called by SpectrumWifiPhy to send
    * the PPDU while performing amendment-specific actions.
diff --git a/src/wifi/model/spectrum-wifi-phy.cc b/src/wifi/model/spectrum-wifi-phy.cc
index 15ea4e0f2..201143cac 100644
--- a/src/wifi/model/spectrum-wifi-phy.cc
+++ b/src/wifi/model/spectrum-wifi-phy.cc
@@ -311,10 +311,10 @@ SpectrumWifiPhy::StartRx (Ptr<SpectrumSignalParameters> rxParams)
           WifiSpectrumBand filteredBand = GetBand (bw, i);
           Ptr<SpectrumValue> filter = WifiSpectrumValueHelper::CreateRfFilter (GetFrequency (), channelWidth, GetBandBandwidth (), GetGuardBandwidth (channelWidth), filteredBand);
           SpectrumValue filteredSignal = (*filter) * (*receivedSignalPsd);
-          NS_LOG_DEBUG ("Signal power received (watts) before antenna gain for" << bw << " MHz channel band " << +i << ": " << Integral (filteredSignal));
+          NS_LOG_DEBUG ("Signal power received (watts) before antenna gain for " << bw << " MHz channel band " << +i << ": " << Integral (filteredSignal));
           double rxPowerPerBandW = Integral (filteredSignal) * DbToRatio (GetRxGain ());
           rxPowerW.insert ({filteredBand, rxPowerPerBandW});
-          NS_LOG_DEBUG ("Signal power received after antenna gain for" << bw << " MHz channel band " << +i << ": " << rxPowerPerBandW << " W (" << WToDbm (rxPowerPerBandW) << " dBm)");
+          NS_LOG_DEBUG ("Signal power received after antenna gain for " << bw << " MHz channel band " << +i << ": " << rxPowerPerBandW << " W (" << WToDbm (rxPowerPerBandW) << " dBm)");
         }
     }