diff --git a/src/controller/CHIPDeviceController.cpp b/src/controller/CHIPDeviceController.cpp
index 1a2bd792f3ebfd..56adea0fb23046 100644
--- a/src/controller/CHIPDeviceController.cpp
+++ b/src/controller/CHIPDeviceController.cpp
@@ -151,6 +151,8 @@ CHIP_ERROR ChipDeviceController::ConnectDevice(NodeId remoteDeviceId, IPAddress
     err = mSessionManager->Init(mLocalDeviceId, mInetLayer, Transport::UdpListenParameters().SetAddressType(deviceAddr.Type()));
     SuccessOrExit(err);
 
+    mSessionManager->SetDelegate(&mCallback);
+
     // connected state before 'OnConnect' so that key exchange is accepted
     mConState = kConnectionState_Connected;