diff --git a/Jenkinsfile b/Jenkinsfile
index 49a95a3..aa84ecd 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,9 +5,6 @@ pipeline {
     }
   }
 
-  def dockerfile = 'Dockerfile'
-  def telegrafImage = docker.build("telegraf:${env.BUILD_ID}", "-f ${dockerfile} .")
-
   stages {
     stage("verify tooling") {
 	steps {
@@ -22,6 +19,9 @@ pipeline {
     stage('Build telegraf') {
 	steps {
 	  script {
+	    def dockerfile = 'Dockerfile'
+	    def telegrafImage = docker.build("telegraf:${env.BUILD_ID}", "-f ${dockerfile} .")
+
 	    docker.withRegistry('http://docker-registry1.in.thelinuxpro.net:5000') {
 	      telegrafImage.push()
 	      telegrafImage.push('latest')