diff --git a/docker/bionic/entrypoint.sh b/docker/bionic/entrypoint.sh
index 0e6ee5c..6d6d888 100755
--- a/docker/bionic/entrypoint.sh
+++ b/docker/bionic/entrypoint.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 
-buildbot-worker create-worker /var/lib/buildbot/workers/default "$1" "$2" "$3"
+buildbot-worker create-worker /var/lib/buildbot/workers/default --connection-string "$1" "$2" "$3"
 
-unset BUILDMASTER BUILDMASTER_PORT WORKERNAME WORKERPASS
+unset CONNECTIONSTRING WORKERNAME WORKERPASS
 
 cd /var/lib/buildbot/workers/default
 /usr/bin/dumb-init buildbot-worker start --nodaemon