diff --git a/Dockerfile b/Dockerfile
index e229aa7c42091e63fa67aa016556db96b86140c4..faf13984aeec8e261aef9d1b8304473335208b0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
-FROM registry.cyberbrain.pw/tools/docker/alpine:latest AS base
+ARG DOCKER_REGISTRY=registry.cyberbrain.pw
+FROM $DOCKER_REGISTRY/tools/docker/alpine:latest AS base
 
 FROM base AS builder
 ARG ANSIBLE_BUILD_DEPENDENCIES="build-base cargo libffi-dev musl-dev openssl-dev python3-dev yaml-dev"