diff --git a/Dockerfile b/Dockerfile
index 7d961a390734f8a42df0357e51527c7addaac423..0d2c86bdaf65bdeea8587a3af28e376b128d350d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-ARG IMAGE_SERVER
 ARG FLUTTER_VERSION="3.19.0"
+ARG IMAGE_SERVER="registry.420joos.dev"
 ARG DEPENDENCY_DIR="/tmp/dependencies"
 ARG FLUTTER_URL="https://github.com/flutter/flutter"