1 files changed, 1 insertions, 1 deletions

diff --git a/Dockerfile b/Dockerfile
index 8d27c13..78c1975 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG DOCKER_REGISTRY
+ARG DOCKER_REGISTRY=docker.io
 FROM ${DOCKER_REGISTRY}/act4e/act4e-tests:alphubel
 
 WORKDIR /ACT4E