diff --git a/docker/worker/Dockerfile b/docker/worker/Dockerfile
index 713ddea8..ce1920db 100644
--- a/docker/worker/Dockerfile
+++ b/docker/worker/Dockerfile
@@ -1,27 +1,27 @@
 FROM kolab/centos7:latest
 
 RUN yum -y install rsyslog && \
     yum clean all
 
 RUN systemctl disable \
         avahi-daemon.service \
         avahi-daemon.socket \
         sshd.service && \
     systemctl enable rsyslog
 
 RUN sed -i -r -e 's/^SELINUX=.*$/SELINUX=permissive/g' /etc/selinux/config 2>/dev/null || :
 
 RUN yum -y install kolab-16-extras-fasttrack && \
-    yum clean all && \
-    sed -i -r -e '/^ssl/d' /etc/yum.repos.d/*.repo
+    sed -i -r -e '/^ssl/d' /etc/yum.repos.d/*.repo && \
+    yum clean all
 
 RUN yum -y update && \
     yum clean all
 
 COPY kolab-worker.service /etc/systemd/system/kolab-worker.service
 RUN systemctl enable kolab-worker.service
 
 COPY kolab-worker.sh /usr/local/sbin/
 RUN chmod 750 /usr/local/sbin/kolab-worker.sh
 
 CMD ["/lib/systemd/systemd"]