diff --git a/src/wifi/model/wifi-tx-vector.cc b/src/wifi/model/wifi-tx-vector.cc
index d5488ff2d..3c844eaa6 100644
--- a/src/wifi/model/wifi-tx-vector.cc
+++ b/src/wifi/model/wifi-tx-vector.cc
@@ -678,8 +678,7 @@ WifiTxVector::GetContentChannels(uint8_t p20Index) const
         const auto& userInfo = GetHeMuUserInfo(staId);
         NS_ASSERT(ru == userInfo.ru);
 
-        if ((ruType == HeRu::RU_484_TONE) || (ruType == HeRu::RU_996_TONE) ||
-            (ruType == HeRu::RU_2x996_TONE))
+        if (ruType > HeRu::RU_242_TONE)
         {
             for (auto i = 0; i < ((ruType == HeRu::RU_2x996_TONE) ? 2 : 1); ++i)
             {