diff --git a/charts/flagger/values.yaml b/charts/flagger/values.yaml
index 2c135187c..42af79ce3 100644
--- a/charts/flagger/values.yaml
+++ b/charts/flagger/values.yaml
@@ -6,7 +6,9 @@ image:
   pullPolicy: IfNotPresent
   pullSecret:
 
-podAnnotations: {}
+podAnnotations:
+  prometheus.io/scrape: "true"
+  prometheus.io/port: "8080"
 
 metricsServer: "http://prometheus:9090"
 
diff --git a/kustomize/base/flagger/deployment.yaml b/kustomize/base/flagger/deployment.yaml
index ab02b0e89..241f91f15 100644
--- a/kustomize/base/flagger/deployment.yaml
+++ b/kustomize/base/flagger/deployment.yaml
@@ -15,6 +15,7 @@ spec:
         app: flagger
       annotations:
         prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
     spec:
       serviceAccountName: flagger
       containers: