diff --git a/Jenkinsfile b/Jenkinsfile
index 1d38661..0c49b8c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -39,7 +39,7 @@ if (BRANCH_TEST=="shibboleth-production"){
       currentBuild.result = "FAILURE"
 
       slackSend color: 'danger', message: "BUILD ERROR: There was a problem with Shibboleth Appliance. ${env.JOB_NAME} ${env.BUILD_NUMBER} (<${env.BUILD_URL} |Open>) \n\n ${err}"
-      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "$email-error-id", sendToIndividuals: true])
+      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "${email-error-id}", sendToIndividuals: true])
 
       throw err
     }
@@ -79,7 +79,7 @@ if (BRANCH_TEST=="shibboleth-production"){
       currentBuild.result = "FAILURE"
 
       slackSend color: 'danger', message: "BUILD ERROR: There was a problem with Comanage Appliance. ${env.JOB_NAME} ${env.BUILD_NUMBER} (<${env.BUILD_URL} |Open>) \n\n ${err}"
-      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "$email-error-id", sendToIndividuals: true])
+      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "${email-error-id}", sendToIndividuals: true])
 
       throw err
     }