diff --git a/charts/atlantis/templates/servicemonitor.yaml b/charts/atlantis/templates/servicemonitor.yaml
index b67be4fc..27400931 100644
--- a/charts/atlantis/templates/servicemonitor.yaml
+++ b/charts/atlantis/templates/servicemonitor.yaml
@@ -8,7 +8,7 @@ spec:
   endpoints:
   - honorLabels: false
     path: /metrics
-    port: http
+    port: {{ .Values.serviceMonitor.port | default "http" }}
   jobLabel: {{ .Values.serviceMonitor.label | default (include "Atlantis.fullname" .) }}
   namespaceSelector:
     matchNames:
diff --git a/charts/atlantis/values.yaml b/charts/atlantis/values.yaml
index ee2db0c7..fda1b203 100644
--- a/charts/atlantis/values.yaml
+++ b/charts/atlantis/values.yaml
@@ -155,6 +155,7 @@ autoscaling:
 
 serviceMonitor:
   enabled: true
+  port: 9091
 
 nodeSelector: {}
 tolerations: []