diff --git a/application/src/main/resources/extensions/system-configurable-configmap.yaml b/application/src/main/resources/extensions/system-configurable-configmap.yaml
index e30b1dca81..0b31723e15 100644
--- a/application/src/main/resources/extensions/system-configurable-configmap.yaml
+++ b/application/src/main/resources/extensions/system-configurable-configmap.yaml
@@ -6,7 +6,8 @@ data:
   user: |
     {
       "allowRegistration": false,
-      "defaultRole": "",
+      "mustVerifyEmailOnRegistration": false,
+      "defaultRole": "guest",
       "avatarPolicy": "default-policy"
     }
   theme: |