diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b7c5de0b1..1244827c6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@ Main (unreleased)
 - Fix an issue on Windows where uninstalling Alloy did not remove it from the
   Add/Remove programs list. (@rfratto)
 
+- Fix wrong access alloy.extraPorts.hostPort in cluster service definition (@and1truong)
 
 v1.0.0 (2024-04-09)
 -------------------
diff --git a/operations/helm/charts/alloy/templates/cluster_service.yaml b/operations/helm/charts/alloy/templates/cluster_service.yaml
index 1bc940b780..d819d670ae 100644
--- a/operations/helm/charts/alloy/templates/cluster_service.yaml
+++ b/operations/helm/charts/alloy/templates/cluster_service.yaml
@@ -24,7 +24,7 @@ spec:
       protocol: "TCP"
   {{- range $portMap := $values.extraPorts }}
     - name: {{ $portMap.name }}
-      port: {{ $portMap.port }}
+      port: {{ $portMap.hostPort }}
       targetPort: {{ $portMap.targetPort }}
       protocol: {{ coalesce $portMap.protocol "TCP" }}
   {{- end }}