diff --git a/Chart.yaml b/Chart.yaml
index 1df05ad..e6ce8a3 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -7,7 +7,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.2
+version: 0.1.3
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/README.md b/README.md
index b36082f..be6be55 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # letsencrypt
 
-![Version: 0.1.2](https://img.shields.io/badge/Version-0.1.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 1.16.0](https://img.shields.io/badge/AppVersion-1.16.0-informational?style=flat-square)
+![Version: 0.1.3](https://img.shields.io/badge/Version-0.1.3-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 1.16.0](https://img.shields.io/badge/AppVersion-1.16.0-informational?style=flat-square)
 
 A Helm chart to add letsencrypt support to Validated Patterns.
 
diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
new file mode 100644
index 0000000..8a75c43
--- /dev/null
+++ b/templates/_helpers.tpl
@@ -0,0 +1,11 @@
+{{/*
+  Name (and namespace) of the cluster Argo CD CR to patch for ingress TLS (see templates/default-routes.yaml).
+  Presets: vp-gitops (Validated Patterns), openshift-gitops (OpenShift GitOps operator default).
+*/}}
+{{- define "letsencrypt.gitopsInstanceName" -}}
+{{- $i := .Values.letsencrypt.gitopsInstance | default "vp-gitops" -}}
+{{- if not (or (eq $i "vp-gitops") (eq $i "openshift-gitops")) -}}
+{{- fail (printf "letsencrypt.gitopsInstance must be \"vp-gitops\" or \"openshift-gitops\", got %q" $i) -}}
+{{- end -}}
+{{- print $i -}}
+{{- end -}}
diff --git a/templates/default-routes.yaml b/templates/default-routes.yaml
index 8a01db6..b3102d4 100644
--- a/templates/default-routes.yaml
+++ b/templates/default-routes.yaml
@@ -17,8 +17,8 @@ spec:
 apiVersion: argoproj.io/v1alpha1
 kind: ArgoCD
 metadata:
-  name: openshift-gitops
-  namespace: openshift-gitops
+  name: {{ include "letsencrypt.gitopsInstanceName" . }}
+  namespace: {{ include "letsencrypt.gitopsInstanceName" . }}
   annotations:
     argocd.argoproj.io/sync-options: ServerSideApply=true, Validate=false, SkipDryRunOnMissingResource=true
 spec:
diff --git a/tests/default-routes_test.yaml b/tests/default-routes_test.yaml
new file mode 100644
index 0000000..d14170b
--- /dev/null
+++ b/tests/default-routes_test.yaml
@@ -0,0 +1,29 @@
+suite: Test default-routes Argo CD target
+templates:
+  - templates/default-routes.yaml
+release:
+  name: release-test
+tests:
+  - it: patches vp-gitops Argo CD by default
+    asserts:
+      - hasDocuments:
+          count: 3
+      - containsDocument:
+          any: true
+          kind: ArgoCD
+          apiVersion: argoproj.io/v1alpha1
+          name: vp-gitops
+          namespace: vp-gitops
+  - it: patches openshift-gitops when gitopsInstance is set
+    set:
+      letsencrypt:
+        gitopsInstance: openshift-gitops
+    asserts:
+      - hasDocuments:
+          count: 3
+      - containsDocument:
+          any: true
+          kind: ArgoCD
+          apiVersion: argoproj.io/v1alpha1
+          name: openshift-gitops
+          namespace: openshift-gitops
diff --git a/values.yaml b/values.yaml
index 5a9f733..b369fa9 100644
--- a/values.yaml
+++ b/values.yaml
@@ -51,3 +51,8 @@ letsencrypt:
 
   # -- String the channel to install cert-manager from (Defaults to "stable-v1")
   certmanagerChannel: "stable-v1"
+
+  # -- Which cluster Argo CD instance to patch for the server route TLS settings (`name` and `namespace` on the ArgoCD CR).
+  # Use `vp-gitops` when Argo CD runs in the Validated Patterns `vp-gitops` namespace (default).
+  # Use `openshift-gitops` for the default OpenShift GitOps operator instance.
+  gitopsInstance: vp-gitops