diff --git a/docker/jenkins-master/Dockerfile b/docker/jenkins-master/Dockerfile
index 7740832..1f5e81c 100644
--- a/docker/jenkins-master/Dockerfile
+++ b/docker/jenkins-master/Dockerfile
@@ -1,36 +1,36 @@
 FROM jenkins/jenkins:lts
 MAINTAINER Jean-Baptiste Aubort <jean-baptiste.aubort@epfl.ch>
 
 USER root
 RUN mkdir -p /var/log/jenkins
 RUN mkdir -p /var/cache/jenkins
 RUN chown -R jenkins:jenkins /var/log/jenkins
 RUN chown -R jenkins:jenkins /var/cache/jenkins
 
 USER jenkins
 RUN /usr/local/bin/install-plugins.sh \
     ansicolor \
     build-monitor \
     build-token-root \
     embeddable-build-status \
     git \
     phabricator \
     matrix-auth \
     workflow-aggregator \
     warnings \
     email-ext \
     xunit \
     blueocean \
     analysis-collector \
     findbugs \
     checkstyle \
     dashboard-view \
     dry \
     tasks \
     tap \
     performance \
     ws-cleanup
 
 
-ENV JENKINS_JAVA_OPTIONS="-Dorg.apache.commons.jelly.tags.fmt.timeZone=Europe/Zurich"
+ENV JAVA_OPTS="-Dorg.apache.commons.jelly.tags.fmt.timeZone=Europe/Zurich"
 ENV JENKINS_OPTS="--sessionTimeout=43200 --logfile=/var/log/jenkins/jenkins.log --webroot=/var/cache/jenkins/war"