diff --git a/Jenkinsfile b/Jenkinsfile
index 449a02d..43c4031 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,6 +2,8 @@ pipeline {
     agent any
     
     stages {
+        def dockerImage
+
         stage('Pull git') {
             steps {
                 checkout scm
@@ -11,7 +13,7 @@ pipeline {
         stage('Build Docker Image') {
             steps {
                 script {
-                    def dockerImage = docker.build('pflaenzli', '-f Dockerfile . --tag pflaenzli:latest')
+                    dockerImage = docker.build('pflaenzli', '-f Dockerfile . --tag pflaenzli:latest')
                 }
             }
         }