diff --git a/cns/NetworkContainerContract.go b/cns/NetworkContainerContract.go
index d2de05bfa4..ae57a204f8 100644
--- a/cns/NetworkContainerContract.go
+++ b/cns/NetworkContainerContract.go
@@ -573,6 +573,6 @@ type NodeInfoResponse struct {
 
 // NodeRegisterRequest - Struct to hold the node register request.
 type NodeRegisterRequest struct {
-	NumCPU               int
+	NumCores             int
 	NmAgentSupportedApis []string
 }
diff --git a/cns/service/main.go b/cns/service/main.go
index a70d27f845..7c5c900415 100644
--- a/cns/service/main.go
+++ b/cns/service/main.go
@@ -306,7 +306,7 @@ func registerNode(httpc *http.Client, httpRestService cns.HTTPService, dncEP, in
 		nodeRegisterRequest cns.NodeRegisterRequest
 	)
 
-	nodeRegisterRequest.NumCPU = numCPU
+	nodeRegisterRequest.NumCores = numCPU
 	supportedApis, retErr := nmagent.GetNmAgentSupportedApis(httpc, "")
 
 	if retErr != nil {