diff --git a/vars/volthaDeploy.groovy b/vars/volthaDeploy.groovy
index 5b0adc3..17f9e5d 100644
--- a/vars/volthaDeploy.groovy
+++ b/vars/volthaDeploy.groovy
@@ -27,13 +27,13 @@
     def cfg = defaultConfig + config
 
     if (cfg.dockerRegistry != "") {
-      extraHelmFlags += " --set global.image_registry=${cfg.dockerRegistry}/ "
-      extraHelmFlags += " --set etcd.image.registry=${cfg.dockerRegistry} "
-      extraHelmFlags += " --set kafka.image.registry=${cfg.dockerRegistry} "
-      extraHelmFlags += " --set kafka.zookeper.image.registry=${cfg.dockerRegistry} "
-      extraHelmFlags += " --set onos-classic.image.repository=${cfg.dockerRegistry}/voltha/voltha-onos "
-      extraHelmFlags += " --set onos-classic.atomix.image.repository=${cfg.dockerRegistry}/atomix/atomix "
-      extraHelmFlags += " --set freeradius.images.radius.registry=${cfg.dockerRegistry}/ "
+      cfg.extraHelmFlags += " --set global.image_registry=${cfg.dockerRegistry}/ "
+      cfg.extraHelmFlags += " --set etcd.image.registry=${cfg.dockerRegistry} "
+      cfg.extraHelmFlags += " --set kafka.image.registry=${cfg.dockerRegistry} "
+      cfg.extraHelmFlags += " --set kafka.zookeper.image.registry=${cfg.dockerRegistry} "
+      cfg.extraHelmFlags += " --set onos-classic.image.repository=${cfg.dockerRegistry}/voltha/voltha-onos "
+      cfg.extraHelmFlags += " --set onos-classic.atomix.image.repository=${cfg.dockerRegistry}/atomix/atomix "
+      cfg.extraHelmFlags += " --set freeradius.images.radius.registry=${cfg.dockerRegistry}/ "
     }
 
     println "Deploying VOLTHA with the following parameters: ${cfg}."