diff --git a/template/stacks/observability-client/vector/values.yaml b/template/stacks/observability-client/vector/values.yaml
index 04d55f4..f8c6bfe 100644
--- a/template/stacks/observability-client/vector/values.yaml
+++ b/template/stacks/observability-client/vector/values.yaml
@@ -37,7 +37,7 @@ customConfig:
       type: elasticsearch
       inputs: [parser]
       endpoints: 
-        - https://o12y.observability.think-ahead.cloud/insert/elasticsearch/
+        - https://{{{ .Env.DOMAIN_O12Y }}}/insert/elasticsearch/
       auth:
         strategy: basic
         user: simple-user