diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 3ed19b585..11a032ea0 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -120,6 +120,7 @@ Bugs fixed
 - Bug 2762 - BindToNetDevice behaviour is not coherent with Linux
 - Bug 2763 - wifi management packets in the PCAPs are all marked as wrong by Wireshark
 - Bug 2769 - Set ssthresh correctly upon RTO
+- Bug 2771 - wifi: Simulation fails with IdealWifiManager if stations have different number of antennas
 - Bug 2781 - tcp: Do not go beyond limit in TcpTxBuffer
 - Bug 2783 - wifi: MonitorSnifferRx SNR is invariant to RxNoiseFigure
 
diff --git a/src/wifi/model/ideal-wifi-manager.cc b/src/wifi/model/ideal-wifi-manager.cc
index bf444f152..10ac1a771 100644
--- a/src/wifi/model/ideal-wifi-manager.cc
+++ b/src/wifi/model/ideal-wifi-manager.cc
@@ -330,7 +330,7 @@ IdealWifiManager::DoGetDataTxVector (WifiRemoteStation *st)
                   uint8_t nss = (mode.GetMcsValue () / 8) + 1;
                   txVector.SetNss (nss);
                   if (WifiPhy::IsValidTxVector (txVector) == false ||
-                      nss > GetNumberOfSupportedStreams (st))
+                      nss > std::min (GetMaxNumberOfTransmitStreams (), GetNumberOfSupportedStreams (st)))
                     {
                       NS_LOG_DEBUG ("Skipping mode " << mode.GetUniqueName () <<
                                     " nss " << (uint16_t) nss << " width " <<
@@ -370,7 +370,7 @@ IdealWifiManager::DoGetDataTxVector (WifiRemoteStation *st)
                     {
                       continue;
                     }
-                  for (uint8_t nss = 1; nss <= GetNumberOfSupportedStreams (station); nss++)
+                  for (uint8_t nss = 1; nss <= std::min (GetMaxNumberOfTransmitStreams (), GetNumberOfSupportedStreams (station)); nss++)
                     {
                       txVector.SetNss (nss);
                       if (WifiPhy::IsValidTxVector (txVector) == false)