diff --git a/charts/postgres-operator/templates/customrresourcedefinition.yaml b/charts/postgres-operator/templates/customrresourcedefinition.yaml
new file mode 100644
index 000000000..327ed3168
--- /dev/null
+++ b/charts/postgres-operator/templates/customrresourcedefinition.yaml
@@ -0,0 +1,39 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: postgresqls.acid.zalan.do
+  annotations:
+    "helm.sh/hook": crd-install
+spec:
+  group: acid.zalan.do
+  names:
+    kind: postgresql
+    listKind: postgresqlList
+    plural: postgresqls
+    singular: postgresql
+    shortNames:
+    - pg
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: operatorconfigurations.acid.zalan.do
+  annotations:
+    "helm.sh/hook": crd-install
+spec:
+  group: acid.zalan.do
+  names:
+    kind: OperatorConfiguration
+    listKind: OperatorConfigurationList
+    plural: operatorconfigurations
+    singular: operatorconfiguration
+    shortNames:
+    - pgc
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
diff --git a/charts/postgres-operator/templates/operator-configuration.yaml b/charts/postgres-operator/templates/operatorconfiguration.yaml
similarity index 100%
rename from charts/postgres-operator/templates/operator-configuration.yaml
rename to charts/postgres-operator/templates/operatorconfiguration.yaml