diff --git a/infrastructure/pgadmin/helmrelease.yaml b/infrastructure/pgadmin/helmrelease.yaml
index eda4244..2b54a1f 100644
--- a/infrastructure/pgadmin/helmrelease.yaml
+++ b/infrastructure/pgadmin/helmrelease.yaml
@@ -40,7 +40,7 @@ spec:
       enabled: true
       resourceType: ConfigMap
       servers:
-        1:
+        "1":
           Name: pg-cluster
           Group: PostgreSQL
           Host: pg-cluster-rw.pg-databases.svc.cluster.local