diff --git a/tests/pillar/pool_cluster.sls b/tests/pillar/pool_cluster.sls
index 35523bb..1dc2f0b 100644
--- a/tests/pillar/pool_cluster.sls
+++ b/tests/pillar/pool_cluster.sls
@@ -22,6 +22,8 @@
         hosts:
         - cmp01
         - cmp02
+    monitoring:
+      backend: prometheus
   pool:
     enabled: true
     version: v1.2.0