diff --git a/clusters/okd4/openshift-image-registry/default-registry-config.yaml b/clusters/okd4/openshift-image-registry/default-registry-config.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..343cc0f820973f409465f34cdfe06929e3bde838
--- /dev/null
+++ b/clusters/okd4/openshift-image-registry/default-registry-config.yaml
@@ -0,0 +1,12 @@
+apiVersion: config.openshift.io/v1
+kind: Image
+metadata:
+  name: cluster
+  annotations:
+    kustomize.toolkit.fluxcd.io/prune: disabled
+spec:
+  registrySources:
+    containerRuntimeSearchRegistries:
+    - image-registry.openshift-image-registry.svc:5000
+    - quay.io
+    - docker.io
diff --git a/clusters/okd4/openshift-image-registry/kustomization.yaml b/clusters/okd4/openshift-image-registry/kustomization.yaml
index 04df2bbb56b3e604edf54c4f7eac7c4449d3f0c7..131ca5ac974faaa81ac3c09ccdcb682e6321c5f0 100644
--- a/clusters/okd4/openshift-image-registry/kustomization.yaml
+++ b/clusters/okd4/openshift-image-registry/kustomization.yaml
@@ -3,3 +3,4 @@ kind: Kustomization
 resources:
 - s3-credentials.yaml
 - operator-config.yaml
+- default-registry-config.yaml