diff --git a/src/wifi/model/wifi-phy-state-helper.cc b/src/wifi/model/wifi-phy-state-helper.cc
index f66079042..4c4eb045f 100644
--- a/src/wifi/model/wifi-phy-state-helper.cc
+++ b/src/wifi/model/wifi-phy-state-helper.cc
@@ -457,7 +457,7 @@ WifiPhyStateHelper::SwitchToChannelSwitching (Time switchingDuration)
 }
 
 void
-WifiPhyStateHelper::NotifyRxMpdu (Ptr<WifiPsdu> psdu, RxSignalInfo rxSignalInfo, const WifiTxVector& txVector)
+WifiPhyStateHelper::NotifyRxMpdu (Ptr<const WifiPsdu> psdu, RxSignalInfo rxSignalInfo, const WifiTxVector& txVector)
 {
   NS_LOG_FUNCTION (this << *psdu << rxSignalInfo << txVector);
   if (!m_rxOkCallback.IsNull ())
@@ -467,7 +467,7 @@ WifiPhyStateHelper::NotifyRxMpdu (Ptr<WifiPsdu> psdu, RxSignalInfo rxSignalInfo,
 }
 
 void
-WifiPhyStateHelper::NotifyRxPsduSucceeded (Ptr<WifiPsdu> psdu, RxSignalInfo rxSignalInfo,
+WifiPhyStateHelper::NotifyRxPsduSucceeded (Ptr<const WifiPsdu> psdu, RxSignalInfo rxSignalInfo,
                                            const WifiTxVector& txVector, uint16_t staId,
                                            const std::vector<bool>& statusPerMpdu)
 {
@@ -486,7 +486,7 @@ WifiPhyStateHelper::NotifyRxPsduSucceeded (Ptr<WifiPsdu> psdu, RxSignalInfo rxSi
 }
 
 void
-WifiPhyStateHelper::NotifyRxPsduFailed (Ptr<WifiPsdu> psdu, double snr)
+WifiPhyStateHelper::NotifyRxPsduFailed (Ptr<const WifiPsdu> psdu, double snr)
 {
   NS_LOG_FUNCTION (this << *psdu << snr);
   if (!m_rxErrorTrace.IsEmpty ())
diff --git a/src/wifi/model/wifi-phy-state-helper.h b/src/wifi/model/wifi-phy-state-helper.h
index 9e1f89635..3bbfc620c 100644
--- a/src/wifi/model/wifi-phy-state-helper.h
+++ b/src/wifi/model/wifi-phy-state-helper.h
@@ -193,7 +193,7 @@ public:
    * \param rxSignalInfo the info on the received signal (\see RxSignalInfo)
    * \param txVector TXVECTOR of the PSDU
    */
-  void NotifyRxMpdu (Ptr<WifiPsdu> psdu, RxSignalInfo rxSignalInfo, const WifiTxVector& txVector);
+  void NotifyRxMpdu (Ptr<const WifiPsdu> psdu, RxSignalInfo rxSignalInfo, const WifiTxVector& txVector);
   /**
    * Handle the successful reception of a PSDU.
    *
@@ -203,7 +203,7 @@ public:
    * \param staId the station ID of the PSDU (only used for MU)
    * \param statusPerMpdu reception status per MPDU
    */
-  void NotifyRxPsduSucceeded (Ptr<WifiPsdu> psdu, RxSignalInfo rxSignalInfo,
+  void NotifyRxPsduSucceeded (Ptr<const WifiPsdu> psdu, RxSignalInfo rxSignalInfo,
                               const WifiTxVector& txVector, uint16_t staId,
                               const std::vector<bool>& statusPerMpdu);
   /**
@@ -212,7 +212,7 @@ public:
    * \param psdu the PSDU that we failed to received
    * \param snr the SNR of the received PSDU in linear scale
    */
-  void NotifyRxPsduFailed (Ptr<WifiPsdu> psdu, double snr);
+  void NotifyRxPsduFailed (Ptr<const WifiPsdu> psdu, double snr);
   /**
    * Switch from RX after the reception was successful.
    */