diff --git a/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml b/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
index a3261973..4a264511 100644
--- a/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
+++ b/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
@@ -32,6 +32,10 @@ data:
   prometheus.yml: |
     global:
       scrape_interval: {{ .Values.prometheus.scrapeInterval }}
+{{- if .Values.prometheus.externalLabels }}
+      external_labels:
+{{ toYaml .Values.prometheus.externalLabels | indent 8 }}
+{{- end }}
 {{- if .Values.monitoring.alert_manager }}
     rule_files:
       - 'rules.yml'
diff --git a/charts/sn-platform/values.yaml b/charts/sn-platform/values.yaml
index f5ba881f..7607e499 100644
--- a/charts/sn-platform/values.yaml
+++ b/charts/sn-platform/values.yaml
@@ -1781,6 +1781,7 @@ prometheus:
     # https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects
     - --storage.tsdb.wal-compression
   scrapeInterval: 15s
+  externalLabels: {}
   securityContext:
     runAsUser: 65534
     runAsNonRoot: true
@@ -1799,7 +1800,7 @@ prometheus:
       periodSeconds: 10
   customRelabelConfigs: []
   extraScrapeConfigs: []
-  extraCustomArgs: {}
+  extraCustomArgs:
 
   ## Prometheus service
   ## templates/prometheus-service.yaml