diff --git a/cmd/kubeadm/app/cmd/util/join.go b/cmd/kubeadm/app/cmd/util/join.go
index d045435dad5..61b74978085 100644
--- a/cmd/kubeadm/app/cmd/util/join.go
+++ b/cmd/kubeadm/app/cmd/util/join.go
@@ -31,8 +31,8 @@ import (
 
 var joinCommandTemplate = template.Must(template.New("join").Parse(`` +
 	`kubeadm join {{.ControlPlaneHostPort}} --token {{.Token}} \
-    {{range $h := .CAPubKeyPins}}--discovery-token-ca-cert-hash {{$h}} {{end}}{{if .ControlPlane}}\
-    --control-plane {{if .CertificateKey}}--certificate-key {{.CertificateKey}}{{end}}{{end}}`,
+	{{range $h := .CAPubKeyPins}}--discovery-token-ca-cert-hash {{$h}} {{end}}{{if .ControlPlane}}\
+	--control-plane {{if .CertificateKey}}--certificate-key {{.CertificateKey}}{{end}}{{end}}`,
 ))
 
 // GetJoinWorkerCommand returns the kubeadm join command for a given token and