diff --git a/registry-v2/centos7/Dockerfile b/registry-v2/centos7/Dockerfile
index 8d943125..c6fe9615 100644
--- a/registry-v2/centos7/Dockerfile
+++ b/registry-v2/centos7/Dockerfile
@@ -8,4 +8,4 @@ EXPOSE 5000
 USER 42
 
 ENTRYPOINT ["/usr/bin/registry"]
-CMD ["/etc/docker-distribution/registry/config.yml"]
+CMD ["serve", "/etc/docker-distribution/registry/config.yml"]