diff --git a/pkg/agent/config/config.go b/pkg/agent/config/config.go
index 2310f2f6d2..1487f97bdf 100644
--- a/pkg/agent/config/config.go
+++ b/pkg/agent/config/config.go
@@ -80,7 +80,7 @@ func getNodeNamedCrt(nodeName, nodeIP, nodePasswordFile string) HTTPRequester {
 			return nil, err
 		}
 		req.Header.Set(version.Program+"-Node-Password", nodePassword)
-		req.Header.Set("X-"+version.Program+"-NODE-IP", nodeIP)
+		req.Header.Set(version.Program+"-Node-IP", nodeIP)
 
 		resp, err := client.Do(req)
 		if err != nil {
diff --git a/pkg/server/router.go b/pkg/server/router.go
index 90e62b7055..a539f27ffa 100644
--- a/pkg/server/router.go
+++ b/pkg/server/router.go
@@ -142,7 +142,7 @@ func servingKubeletCert(server *config.Control, keyFile string) http.Handler {
 		}
 
 		ips := []net.IP{net.ParseIP("127.0.0.1")}
-		if nodeIP := req.Header.Get("X-" + version.Program + "-NODE-IP"); nodeIP != "" {
+		if nodeIP := req.Header.Get(version.Program + "-Node-IP"); nodeIP != "" {
 			ips = append(ips, net.ParseIP(nodeIP))
 		}