diff --git a/Dockerfile b/Dockerfile
index be341ca98cb80671ed84d632b03ae99a6cb250e7..6593d3e7afd92902945238ee6d681f53abbede61 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
-FROM registry.cyberbrain.pw/tools/docker/alpine:latest
+ARG DOCKER_REGISTRY=registry.cyberbrain.pw
+FROM $DOCKER_REGISTRY/tools/docker/alpine:latest
 
 RUN apk add --no-cache git git-lfs openssh-client