diff --git a/src/wifi/model/phy-entity.cc b/src/wifi/model/phy-entity.cc
index 593be14ef..afe6a8c60 100644
--- a/src/wifi/model/phy-entity.cc
+++ b/src/wifi/model/phy-entity.cc
@@ -1375,13 +1375,19 @@ PhyEntity::CanStartRx(Ptr<const WifiPpdu> ppdu) const
                                                    // then we consider the primary20 channel
     const auto p20CenterFreq =
         m_wifiPhy->GetOperatingChannel().GetPrimaryChannelCenterFrequency(primaryWidth);
-    const auto p20MinFreq = p20CenterFreq - (primaryWidth / 2);
-    const auto p20MaxFreq = p20CenterFreq + (primaryWidth / 2);
-    const auto txCenterFreq = ppdu->GetTxCenterFreqs().front();
-    const auto txChannelWidth = ppdu->GetTxChannelWidth();
-    const auto minTxFreq = txCenterFreq - txChannelWidth / 2;
-    const auto maxTxFreq = txCenterFreq + txChannelWidth / 2;
-    return p20MinFreq >= minTxFreq && p20MaxFreq <= maxTxFreq;
+    const uint16_t p20MinFreq = p20CenterFreq - (primaryWidth / 2);
+    const uint16_t p20MaxFreq = p20CenterFreq + (primaryWidth / 2);
+    const auto txChannelWidth = (ppdu->GetTxChannelWidth() / ppdu->GetTxCenterFreqs().size());
+    for (auto txCenterFreq : ppdu->GetTxCenterFreqs())
+    {
+        const uint16_t minTxFreq = txCenterFreq - txChannelWidth / 2;
+        const uint16_t maxTxFreq = txCenterFreq + txChannelWidth / 2;
+        if ((p20MinFreq >= minTxFreq) && (p20MaxFreq <= maxTxFreq))
+        {
+            return true;
+        }
+    }
+    return false;
 }
 
 Ptr<const WifiPpdu>