diff --git a/charts/amoro/templates/_pod.tpl b/charts/amoro/templates/_pod.tpl
index 7fe844be31..7218603061 100644
--- a/charts/amoro/templates/_pod.tpl
+++ b/charts/amoro/templates/_pod.tpl
@@ -120,7 +120,7 @@ spark distribution package will be installed to here*/ -}}
 {{- if .Values.plugin.metricReporters }}
 {{- if .Values.plugin.metricReporters.prometheusExporter.enabled }}
 - name: prometheus
-  containerPort: {{ .Values.plugin.metricReporters.prometheusExporter.port }}
+  containerPort: {{ .Values.plugin.metricReporters.prometheusExporter.properties.port }}
 {{- end -}}
 {{- end -}}
 {{- end -}}
diff --git a/charts/amoro/values.yaml b/charts/amoro/values.yaml
index 74e71e6fe4..acb4fc1146 100644
--- a/charts/amoro/values.yaml
+++ b/charts/amoro/values.yaml
@@ -282,12 +282,12 @@ plugin:
 #      ## @param Enable or disable the Prometheus exporter
 #      ##
 #      enabled: true
-#      ## @param Prometheus port
-#      ##
-#      port: 7001
 #      ## @param Properties for the Prometheus exporter
 #      ##
-#      properties: ~
+#      properties:
+#      ## @param Prometheus port
+#      ##
+#        port: 7001
 
 ## Configure the ingress resource that allows you to access the
 ## Amoro installation. Set up the URL