diff --git a/src/lr-wpan/model/lr-wpan-net-device.cc b/src/lr-wpan/model/lr-wpan-net-device.cc
index 2e4eb39f2..a71fa80f3 100644
--- a/src/lr-wpan/model/lr-wpan-net-device.cc
+++ b/src/lr-wpan/model/lr-wpan-net-device.cc
@@ -106,6 +106,7 @@ LrWpanNetDevice::DoInitialize()
 {
     NS_LOG_FUNCTION(this);
 
+    m_phy->Initialize();
     AggregateObject(m_mac);
     CompleteConfig();