diff --git a/installers/install_juju.sh b/installers/install_juju.sh
index dd9eb3b..68c8628 100755
--- a/installers/install_juju.sh
+++ b/installers/install_juju.sh
@@ -73,11 +73,11 @@
 EOF
         JUJU_BOOTSTRAP_OPTS="--model-default /tmp/.osm/model-config.yaml"
     fi
-    juju bootstrap -v --debug $OSM_VCA_K8S_CLOUDNAME $OSM_STACK_NAME  \
+    juju bootstrap -v --debug $OSM_VCA_K8S_CLOUDNAME $OSM_NAMESPACE  \
             --config controller-service-type=loadbalancer \
             --agent-version=$JUJU_AGENT_VERSION \
             ${JUJU_BOOTSTRAP_OPTS} \
-    || FATAL "Failed to bootstrap controller $OSM_STACK_NAME in cloud $OSM_VCA_K8S_CLOUDNAME"
+    || FATAL "Failed to bootstrap controller $OSM_NAMESPACE in cloud $OSM_VCA_K8S_CLOUDNAME"
     [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
 }
 
@@ -109,8 +109,8 @@
       client-key: /tmp/.osm/client.key
 EOF
     lxc config trust add local: /tmp/.osm/client.crt
-    juju add-cloud -c $OSM_STACK_NAME $OSM_VCA_CLOUDNAME $LXD_CLOUD --force
-    juju add-credential -c $OSM_STACK_NAME $OSM_VCA_CLOUDNAME -f $LXD_CREDENTIALS
+    juju add-cloud -c $OSM_NAMESPACE $OSM_VCA_CLOUDNAME $LXD_CLOUD --force
+    juju add-credential -c $OSM_NAMESPACE $OSM_VCA_CLOUDNAME -f $LXD_CREDENTIALS
     sg lxd -c "lxd waitready"
     juju controller-config features=[k8s-operators]
     if [ -n "${OSM_BEHIND_PROXY}" ] ; then
@@ -160,7 +160,7 @@
 JUJU_VERSION=2.9
 OSM_BEHIND_PROXY=""
 OSM_DEVOPS=
-OSM_STACK_NAME=osm
+OSM_NAMESPACE=osm
 OSM_VCA_HOST=
 OSM_VCA_CLOUDNAME="localhost"
 OSM_VCA_K8S_CLOUDNAME="k8scloud"
@@ -175,7 +175,7 @@
             DEFAULT_IP="${OPTARG}"
             ;;
         s)
-            OSM_STACK_NAME="${OPTARG}" && [[ ! "${OPTARG}" =~ $RE_CHECK ]] && echo "Namespace $OPTARG is invalid. Regex used for validation is $RE_CHECK" && exit 0
+            OSM_NAMESPACE="${OPTARG}" && [[ ! "${OPTARG}" =~ $RE_CHECK ]] && echo "Namespace $OPTARG is invalid. Regex used for validation is $RE_CHECK" && exit 0
             ;;
         H)
             OSM_VCA_HOST="${OPTARG}"
@@ -278,7 +278,7 @@
             juju add-credential -c $CONTROLLER_NAME $OSM_VCA_CLOUDNAME -f ~/.osm/lxd-credentials.yaml || juju update-credential lxd-cloud -c $CONTROLLER_NAME -f ~/.osm/lxd-credentials.yaml
         fi
     fi
-    [ -z "$CONTROLLER_NAME" ] && OSM_VCA_HOST=`sg lxd -c "juju show-controller $OSM_STACK_NAME"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
+    [ -z "$CONTROLLER_NAME" ] && OSM_VCA_HOST=`sg lxd -c "juju show-controller $OSM_NAMESPACE"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
     [ -n "$CONTROLLER_NAME" ] && OSM_VCA_HOST=`juju show-controller $CONTROLLER_NAME |grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
     [ -z "$OSM_VCA_HOST" ] && FATAL "Cannot obtain juju controller IP address"
 fi