diff --git a/charts/user-monitoring/templates/_user-am.yaml b/charts/user-monitoring/templates/_user-am.yaml
index dbba9fa..36c7c4a 100644
--- a/charts/user-monitoring/templates/_user-am.yaml
+++ b/charts/user-monitoring/templates/_user-am.yaml
@@ -7,6 +7,9 @@ metadata:
     app.kubernetes.io/name: {{ .Values.user }}-alertmanager
   name: {{ .Values.user }}-alertmanager
 spec:
+  alertmanagerConfigNamespaceSelector:
+    matchLabels:
+      user: {{ .Values.user }}-alertmanager
   alertmanagerConfigSelector:
     matchLabels:
       alertmanagerConfig: {{ .Values.user }}-alertmanager