diff --git a/src/wifi/model/he/constant-obss-pd-algorithm.cc b/src/wifi/model/he/constant-obss-pd-algorithm.cc
index eb210d8fd..088b4b95f 100644
--- a/src/wifi/model/he/constant-obss-pd-algorithm.cc
+++ b/src/wifi/model/he/constant-obss-pd-algorithm.cc
@@ -93,9 +93,10 @@ ConstantObssPdAlgorithm::ReceiveHeSigA (HeSigAParameters params)
   bool isObss = (bssColor != params.bssColor);
   if (isObss)
     {
-      if (WToDbm (params.rssiW) < m_obssPdLevel)
+      const double obssPdLevel = GetObssPdLevel ();
+      if (WToDbm (params.rssiW) < obssPdLevel)
         {
-          NS_LOG_DEBUG ("Frame is OBSS and RSSI " << WToDbm(params.rssiW) << " is below OBSS-PD level of " << m_obssPdLevel << "; reset PHY to IDLE");
+          NS_LOG_DEBUG ("Frame is OBSS and RSSI " << WToDbm(params.rssiW) << " is below OBSS-PD level of " << obssPdLevel << "; reset PHY to IDLE");
           ResetPhy (params);
         }
       else
diff --git a/src/wifi/model/he/obss-pd-algorithm.cc b/src/wifi/model/he/obss-pd-algorithm.cc
index 15fa5def5..16c75ce76 100644
--- a/src/wifi/model/he/obss-pd-algorithm.cc
+++ b/src/wifi/model/he/obss-pd-algorithm.cc
@@ -40,7 +40,8 @@ ObssPdAlgorithm::GetTypeId (void)
     .AddAttribute ("ObssPdLevel",
                    "The current OBSS PD level (dBm).",
                    DoubleValue (-82.0),
-                   MakeDoubleAccessor (&ObssPdAlgorithm::m_obssPdLevel),
+                   MakeDoubleAccessor (&ObssPdAlgorithm::SetObssPdLevel,
+                                       &ObssPdAlgorithm::GetObssPdLevel),
                    MakeDoubleChecker<double> (-101, -62))
     .AddAttribute ("ObssPdLevelMin",
                    "Minimum value (dBm) of OBSS PD level.",
@@ -109,4 +110,17 @@ ObssPdAlgorithm::ResetPhy (HeSigAParameters params)
   phy->ResetCca (powerRestricted, txPowerMaxSiso, txPowerMaxMimo);
 }
 
+void
+ObssPdAlgorithm::SetObssPdLevel (double level)
+{
+  NS_LOG_FUNCTION (this << level);
+  m_obssPdLevel = level;
+}
+
+double
+ObssPdAlgorithm::GetObssPdLevel (void) const
+{
+  return m_obssPdLevel;
+}
+
 } //namespace ns3
diff --git a/src/wifi/model/he/obss-pd-algorithm.h b/src/wifi/model/he/obss-pd-algorithm.h
index 8662a9b15..33107a130 100644
--- a/src/wifi/model/he/obss-pd-algorithm.h
+++ b/src/wifi/model/he/obss-pd-algorithm.h
@@ -82,15 +82,23 @@ public:
    */
   typedef void (* ResetTracedCallback)(uint8_t bssColor, double rssiDbm, bool powerRestricted, double txPowerMaxDbmSiso, double txPowerMaxDbmMimo);
 
+  /**
+   * \param level the current OBSS PD level in dBm
+   */
+  void SetObssPdLevel (double level);
+  /**
+   * \return the current OBSS PD level in dBm.
+   */
+  double GetObssPdLevel (void) const;
+
 
 protected:
   void DoDispose (void) override;
 
   Ptr<WifiNetDevice> m_device; ///< Pointer to the WifiNetDevice
-  double m_obssPdLevel;        ///< Current OBSS PD level (dBm)
-
 
 private:
+  double m_obssPdLevel;    ///< Current OBSS PD level (dBm)
   double m_obssPdLevelMin; ///< Minimum OBSS PD level (dBm)
   double m_obssPdLevelMax; ///< Maximum OBSS PD level (dBm)
   double m_txPowerRefSiso; ///< SISO reference TX power level (dBm)