diff --git a/rules/k8s_audit_rules.yaml b/rules/k8s_audit_rules.yaml
index ddef90931f9..67e1b327a67 100644
--- a/rules/k8s_audit_rules.yaml
+++ b/rules/k8s_audit_rules.yaml
@@ -49,7 +49,7 @@
     "kubernetes-admin",
     vertical_pod_autoscaler_users,
     cluster-autoscaler,
-    system:addon-manager
+    "system:addon-manager"
     ]
 
 - rule: Disallowed K8s User