diff --git a/Dockerfile.meteor b/Dockerfile.meteor
index c704e6bd35dadefb783189366af64ec4aab61ca9..c43ef41fa3d5ffb64c00edf87cb6f0cfbedaaa64 100644
--- a/Dockerfile.meteor
+++ b/Dockerfile.meteor
@@ -1,7 +1,7 @@
 FROM debian:bullseye
 
 ENV METEOR_VERSION=2.5.1
-ENV METEOR_ALLOW_SUPERUSER=yes
+ENV METEOR_ALLOW_SUPERUSER=true
 
 RUN apt-get -qq update && \
     apt-get -qq dist-upgrade && \