diff --git a/clusters/cl01tl/platform/matrix-synapse/templates/service-monitor.yaml b/clusters/cl01tl/platform/matrix-synapse/templates/service-monitor.yaml
index 1ebb66805..c91d7b9fd 100644
--- a/clusters/cl01tl/platform/matrix-synapse/templates/service-monitor.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/templates/service-monitor.yaml
@@ -15,7 +15,7 @@ spec:
       app.kubernetes.io/name: matrix-synapse
       app.kubernetes.io/instance: {{ .Release.Name }}
   endpoints:
-    - port: 9090
+    - targetPort: 9090
       interval: 3m
       scrapeTimeout: 1m
       path: /_synapse/metrics
@@ -38,7 +38,7 @@ spec:
       app.kubernetes.io/name: matrix-hookshot
       app.kubernetes.io/instance: {{ .Release.Name }}
   endpoints:
-    - port: 9001
+    - targetPort: 9001
       interval: 3m
       scrapeTimeout: 1m
       path: /metrics