diff --git a/Jenkinsfile b/Jenkinsfile
index a1716a3..6bc870e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,8 +17,8 @@ pipeline {
     stages {
         stage('prepare') {
             steps {
-                sh '$echo ${PATH}'
-                sh 'ls -la /usr/bin'
+                sh 'echo ${PATH}'
+                sh 'ls -la /usr/bin | grep docker'
                 sh "which docker"
                 sh """
                     apk update && \