diff --git a/src/wifi/model/frame-exchange-manager.cc b/src/wifi/model/frame-exchange-manager.cc
index 5cc63b5f3..cbbdd555d 100644
--- a/src/wifi/model/frame-exchange-manager.cc
+++ b/src/wifi/model/frame-exchange-manager.cc
@@ -525,6 +525,7 @@ FrameExchangeManager::ForwardMpduDown(Ptr<WifiMpdu> mpdu, WifiTxVector& txVector
 
     auto psdu = Create<WifiPsdu>(mpdu, false);
     FinalizeMacHeader(psdu);
+    m_allowedWidth = std::min(m_allowedWidth, txVector.GetChannelWidth());
     m_phy->Send(psdu, txVector);
 }
 
diff --git a/src/wifi/model/he/he-frame-exchange-manager.cc b/src/wifi/model/he/he-frame-exchange-manager.cc
index f3ce49f81..9fd93a896 100644
--- a/src/wifi/model/he/he-frame-exchange-manager.cc
+++ b/src/wifi/model/he/he-frame-exchange-manager.cc
@@ -918,6 +918,8 @@ HeFrameExchangeManager::ForwardPsduMapDown(WifiConstPsduMap psduMap, WifiTxVecto
         FinalizeMacHeader(psdu);
         NotifyTxToEdca(psdu);
     }
+    m_allowedWidth = std::min(m_allowedWidth, txVector.GetChannelWidth());
+
     if (psduMap.size() > 1 || psduMap.begin()->second->IsAggregate() ||
         psduMap.begin()->second->IsSingle())
     {
diff --git a/src/wifi/model/ht/ht-frame-exchange-manager.cc b/src/wifi/model/ht/ht-frame-exchange-manager.cc
index 4ea4465f7..0c5b38e5a 100644
--- a/src/wifi/model/ht/ht-frame-exchange-manager.cc
+++ b/src/wifi/model/ht/ht-frame-exchange-manager.cc
@@ -1131,6 +1131,7 @@ HtFrameExchangeManager::ForwardPsduDown(Ptr<const WifiPsdu> psdu, WifiTxVector&
     NS_LOG_DEBUG("Transmitting a PSDU: " << *psdu << " TXVECTOR: " << txVector);
     FinalizeMacHeader(psdu);
     NotifyTxToEdca(psdu);
+    m_allowedWidth = std::min(m_allowedWidth, txVector.GetChannelWidth());
 
     if (psdu->IsAggregate())
     {