diff --git a/centos/Dockerfile b/centos/Dockerfile
index b6c5649..1eaa30d 100644
--- a/centos/Dockerfile
+++ b/centos/Dockerfile
@@ -9,6 +9,7 @@ ARG PROJECT_REF=master
 ARG SCRIPTS_REPO=https://github.com/openstack/loci
 ARG SCRIPTS_REF=master
 ARG OVERRIDE=override
+ARG DISTRO
 
 ADD $OVERRIDE /
 
diff --git a/debian/Dockerfile b/debian/Dockerfile
index 7512387..efd83dc 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -9,6 +9,7 @@ ARG PROJECT_REF=master
 ARG SCRIPTS_REPO=https://github.com/openstack/loci
 ARG SCRIPTS_REF=master
 ARG OVERRIDE=override
+ARG DISTRO
 
 ADD $OVERRIDE /
 
diff --git a/ubuntu/Dockerfile b/ubuntu/Dockerfile
index f46d95e..f05c899 100644
--- a/ubuntu/Dockerfile
+++ b/ubuntu/Dockerfile
@@ -9,6 +9,7 @@ ARG PROJECT_REF=master
 ARG SCRIPTS_REPO=https://github.com/openstack/loci
 ARG SCRIPTS_REF=master
 ARG OVERRIDE=override
+ARG DISTRO
 
 ADD $OVERRIDE /