diff --git a/cloud/observability/promql-to-dd-go/helm-charts/templates/deployment.yaml b/cloud/observability/promql-to-dd-go/helm-charts/templates/deployment.yaml
index f29dab1..b3025c5 100644
--- a/cloud/observability/promql-to-dd-go/helm-charts/templates/deployment.yaml
+++ b/cloud/observability/promql-to-dd-go/helm-charts/templates/deployment.yaml
@@ -36,6 +36,10 @@ spec:
             secretKeyRef:
               name: {{ template "promql-to-dd-go.name" . }}-secrets
               key: dd_api_key
+        {{- with .Values.dd_site }}
+        - name: DD_SITE
+          value: {{ . }}
+        {{- end }}
         volumeMounts:
         - name: secrets
           mountPath: /var/run/secrets
diff --git a/cloud/observability/promql-to-dd-go/helm-charts/values.yaml b/cloud/observability/promql-to-dd-go/helm-charts/values.yaml
index 4e781d2..08f3d76 100644
--- a/cloud/observability/promql-to-dd-go/helm-charts/values.yaml
+++ b/cloud/observability/promql-to-dd-go/helm-charts/values.yaml
@@ -7,3 +7,4 @@ image:
   tag: latest
   imagePullPolicy: Always
 query_interval_seconds: 15
+dd_site: ""