diff --git a/Jenkinsfile b/Jenkinsfile
index aafe119..c79f6b8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -25,6 +25,8 @@ pipeline {
     environment {
         AGENT_ROOT_FOLDER = "${agent_root_folder}"
         DEPLOY_FILE = "${agent_root_folder}/deploy.txt"
+        TRIGGER_JOB= "${params.TRIGGER_JOB}"
+        TRIGGER_VERSION= "${params.TRIGGER_VERSION}"
     }
     stages {
         stage('initialize environment') {
@@ -87,8 +89,8 @@ pipeline {
             }
             steps {
                 sh '''
-                   echo "Cron build enabled. New deploy of ${params.TRIGGER_JOB} - ${params.TRIGGER_VERSION} appended to the deploy file"
-                   echo "${params.TRIGGER_JOB} - ${params.TRIGGER_VERSION}" >> $DEPLOY_FILE
+                   echo "Cron build enabled. New deploy of ${TRIGGER_JOB} - ${TRIGGER_VERSION} appended to the deploy file"
+                   echo "${TRIGGER_JOB} - ${TRIGGER_VERSION}" >> ${DEPLOY_FILE}
                 '''
             }
         }