diff --git a/templates/deployment.yaml.j2 b/templates/deployment.yaml.j2
index d498cc0..b3921fe 100644
--- a/templates/deployment.yaml.j2
+++ b/templates/deployment.yaml.j2
@@ -9,7 +9,7 @@ kind: Deployment
 {% endif %}
 metadata:
   name: {{ app_name }}
-  namespace: {{ namespace }}
+  namespace: "{{ namespace | string }}"
   labels:
     app: {{ app_name }}
     service: {{ app_name }}
diff --git a/templates/pvc.yaml.j2 b/templates/pvc.yaml.j2
index b98fd32..5566c2c 100644
--- a/templates/pvc.yaml.j2
+++ b/templates/pvc.yaml.j2
@@ -4,7 +4,7 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: {{ app_name }}
-  namespace: {{ namespace }}
+  namespace: "{{ namespace | string }}"
 spec:
   accessModes:
     - ReadWriteOnce
diff --git a/templates/service.yaml.j2 b/templates/service.yaml.j2
index f6eb1d0..d15aef3 100644
--- a/templates/service.yaml.j2
+++ b/templates/service.yaml.j2
@@ -4,7 +4,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ app_name }}
-  namespace: {{ namespace }}
+  namespace: "{{ namespace | string }}"
   labels:
     app: {{ app_name }}
     service: {{ app_name }}