diff --git a/charts/opencost/templates/_helpers.tpl b/charts/opencost/templates/_helpers.tpl
index ec38d3d..febbab8 100644
--- a/charts/opencost/templates/_helpers.tpl
+++ b/charts/opencost/templates/_helpers.tpl
@@ -101,8 +101,9 @@ Create the name of the controller service account to use
   {{- else -}}
     {{- $host := tpl .Values.opencost.prometheus.internal.serviceName . }}
     {{- $ns := tpl .Values.opencost.prometheus.internal.namespaceName . }}
+    {{- $clusterName := default "cluster.local" .Values.clusterName }}
     {{- $port := .Values.opencost.prometheus.internal.port | int }}
-    {{- printf "http://%s.%s.svc.cluster.local:%d" $host $ns $port -}}
+    {{- printf "http://%s.%s.svc.%s:%d" $host $ns $clusterName $port -}}
   {{- end -}}
 {{- end -}}
 
@@ -115,8 +116,9 @@ Check that either thanos external or internal is defined
   {{- else -}}
     {{- $host := .Values.opencost.prometheus.thanos.internal.serviceName }}
     {{- $ns := .Values.opencost.prometheus.thanos.internal.namespaceName }}
+    {{- $clusterName := default "cluster.local" .Values.clusterName }}
     {{- $port := .Values.opencost.prometheus.thanos.internal.port | int }}
-    {{- printf "http://%s.%s.svc.cluster.local:%d" $host $ns $port -}}
+    {{- printf "http://%s.%s.svc.%s:%d" $host $ns $clusterName $port -}}
   {{- end -}}
 {{- end -}}
 
@@ -179,4 +181,4 @@ apiVersion: networking.k8s.io/v1beta1
 {{- else}}
 {{- .Values.opencost.ui.image.registry -}}/{{- .Values.opencost.ui.image.repository -}}:{{- include "opencostUi.imageTag" . -}}
 {{- end -}}
-{{- end -}}
\ No newline at end of file
+{{- end -}}
diff --git a/charts/opencost/values.yaml b/charts/opencost/values.yaml
index 3d57aff..7d2f31f 100644
--- a/charts/opencost/values.yaml
+++ b/charts/opencost/values.yaml
@@ -4,6 +4,8 @@ nameOverride: ""
 fullnameOverride: ""
 # -- Override the deployment namespace
 namespaceOverride: ""
+# -- Override the default name of cluster - Can be found in /etc/kubernetes/admin.conf: clusters -> cluster -> name
+clusterName: ""
 
 loglevel: info