diff --git a/Dockerfile b/Dockerfile
index 1a2905e2..dc14a9fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,7 +38,7 @@ ENV ELECTRON_ENABLE_LOGGING=1
 ENV UDEV=1
 
 RUN mkdir /tmp/media
-ENV BALENA_ELECTRONJS_MOUNTS_ROOT=/tmp/media
-ENV BALENA_ELECTRONJS_CONSTRAINT_PATH=/tmp/media
+ENV BALENAELECTRONJS_MOUNTS_ROOT=/tmp/media
+ENV BALENAELECTRONJS_CONSTRAINT_PATH=/tmp/media
 
 CMD cp -n /usr/src/app/etcher-pro-config.json /root/.config/balena-etcher/config.json && xinit