diff --git a/template/stacks/observability-client/vm-client-stack/values.yaml b/template/stacks/observability-client/vm-client-stack/values.yaml
index fcbb0b3..d6670a1 100644
--- a/template/stacks/observability-client/vm-client-stack/values.yaml
+++ b/template/stacks/observability-client/vm-client-stack/values.yaml
@@ -791,7 +791,8 @@ vmagent:
     port: "8429"
     selectAllByDefault: true
     scrapeInterval: 20s
-    externalLabels: {}
+    externalLabels: 
+      cluster_environment: "{{{ .Env.CLUSTER_ENVIRONMENT }}}"
       # For multi-cluster setups it is useful to use "cluster" label to identify the metrics source.
       # For example:
       # cluster: cluster-name