diff --git a/src/wifi/model/frame-exchange-manager.cc b/src/wifi/model/frame-exchange-manager.cc
index ed972f2bd..20145eb64 100644
--- a/src/wifi/model/frame-exchange-manager.cc
+++ b/src/wifi/model/frame-exchange-manager.cc
@@ -945,7 +945,7 @@ void
 FrameExchangeManager::NotifySwitchingStartNow (Time duration)
 {
   NS_LOG_DEBUG ("Switching channel. Cancelling MAC pending events");
-  m_mac->NotifyChannelSwitching ();
+  Simulator::Schedule (duration, &WifiMac::NotifyChannelSwitching, m_mac);
   if (m_txTimer.IsRunning ())
     {
       // we were transmitting something before channel switching. Since we will