diff --git a/Dockerfile b/Dockerfile
index 79fd1d89..f5eecd7c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,6 +64,8 @@ RUN for verb in help \
 
 RUN printf "%b" '#!'"/usr/bin/env sh\n \
 if [ \"\$1\" = \"daemon\" ];  then \n \
+ acme.sh --uninstall-cronjob \n \
+ acme.sh --install-cronjob \n \
  trap \"echo stop && killall crond && exit 0\" SIGTERM SIGINT \n \
  crond && sleep infinity &\n \
  wait \n \