diff --git a/Workbench/comanage/Dockerfile b/Workbench/comanage/Dockerfile
index 9264566..7c82014 100644
--- a/Workbench/comanage/Dockerfile
+++ b/Workbench/comanage/Dockerfile
@@ -27,7 +27,7 @@ RUN yum -y update && yum -y install --setopt=tsflags=nodocs epel-release python-
 ARG maintainer=my
 ARG imagename=comanage
 ARG version=3.3.1
-ARG CSPHOSTNAME
+ARG CSPHOSTNAME=localhost
 ENV CSPHOSTNAME=$CSPHOSTNAME
 ENV COMANAGE_REGISTRY_VIRTUAL_HOST_FQDN=$CSPHOSTNAME