diff --git a/addons/prometheus/deployment.yaml b/addons/prometheus/deployment.yaml
index d7a09213..3e5f8439 100644
--- a/addons/prometheus/deployment.yaml
+++ b/addons/prometheus/deployment.yaml
@@ -21,6 +21,7 @@ spec:
           - '-config.file=/etc/prometheus/prometheus.yaml'
           - '-storage.local.retention=12h'
           - '-storage.local.memory-chunks=500000'
+          - '-alertmanager.url=http://alertmanager:9093'
         ports:
         - name: web
           containerPort: 9090