diff --git a/var/docker/supervisord/backend.conf b/var/docker/supervisord/backend.conf
index 97cbb4cc..9c8c8997 100644
--- a/var/docker/supervisord/backend.conf
+++ b/var/docker/supervisord/backend.conf
@@ -7,3 +7,4 @@ redirect_stderr=true
 stdout_logfile=/dev/fd/1
 stdout_logfile_maxbytes=0
 startsecs=10
+environment=PORT=3000