diff --git a/atmosphere/models/config.py b/atmosphere/models/config.py
index abf306a..715de97 100644
--- a/atmosphere/models/config.py
+++ b/atmosphere/models/config.py
@@ -94,7 +94,7 @@
 
 
 class IngressNginxChartConfig(ChartConfig):
-    pass
+    namespace = types.StringType(default="openstack", required=True)
 
 
 class Config(base.Model):
diff --git a/atmosphere/tasks/composite/openstack_helm.py b/atmosphere/tasks/composite/openstack_helm.py
index 56415ef..9889caa 100644
--- a/atmosphere/tasks/composite/openstack_helm.py
+++ b/atmosphere/tasks/composite/openstack_helm.py
@@ -61,12 +61,12 @@
 
     return [
         flux.ApplyHelmRepositoryTask(
-            namespace=constants.NAMESPACE_OPENSTACK,
+            namespace=config.namespace,
             name=constants.HELM_REPOSITORY_INGRESS_NGINX,
             url=constants.HELM_REPOSITORY_INGRESS_NGINX_URL,
         ),
         flux.ApplyHelmReleaseTask(
-            namespace=constants.NAMESPACE_OPENSTACK,
+            namespace=config.namespace,
             name=constants.HELM_RELEASE_INGRESS_NGINX_NAME,
             repository=constants.HELM_REPOSITORY_INGRESS_NGINX,
             chart=constants.HELM_RELEASE_INGRESS_NGINX_NAME,