diff --git a/harmony/src/modules/monitoring/kube_prometheus.rs b/harmony/src/modules/monitoring/kube_prometheus.rs
index dd4b3f1..c729c96 100644
--- a/harmony/src/modules/monitoring/kube_prometheus.rs
+++ b/harmony/src/modules/monitoring/kube_prometheus.rs
@@ -45,5 +45,6 @@ additionalPrometheusRulesMap:
         values_yaml: Some(values.to_string()),
         create_namespace: true,
         install_only: true,
+        repository: None,
     }
 }