diff --git a/deploy/install.yaml b/deploy/install.yaml
index 31e9030..4797191 100644
--- a/deploy/install.yaml
+++ b/deploy/install.yaml
@@ -208,7 +208,7 @@ metadata:
 apiVersion: v1
 data:
   maps: |
-    default:registry.example.com
+    default::registry.example.com
 kind: ConfigMap
 metadata:
   creationTimestamp: null