diff --git a/templates/api-deployment.yaml b/templates/api-deployment.yaml
index 3048b1e52a325a1043571251d6c9a267d522420e..8e928ac9da32e8cd071e66c01ba29165c43c442e 100644
--- a/templates/api-deployment.yaml
+++ b/templates/api-deployment.yaml
@@ -27,12 +27,12 @@ spec:
               valueFrom:
                 secretKeyRef:
                   key: username
-                  name: hydra.acid-hydra-database.credentials.postgresql.acid.zalan.do
+                  name: hydra.cdb-postgresql.credentials.postgresql.acid.zalan.do
             - name: POSTGRES_PASSWORD
               valueFrom:
                 secretKeyRef:
                   key: password
-                  name: hydra.acid-hydra-database.credentials.postgresql.acid.zalan.do
+                  name: hydra.cdb-postgresql.credentials.postgresql.acid.zalan.do
           image: {{ .Values.api.image.repository }}:{{ .Values.api.image.tag }}
           livenessProbe:
             httpGet:
diff --git a/templates/pg-operator.yaml b/templates/pg-operator.yaml
index 03c361d1e13804652aadf7efa99e8bfe800ebed0..89b722459fc8831ebd66fb5b2a9bb7364fe40aa6 100644
--- a/templates/pg-operator.yaml
+++ b/templates/pg-operator.yaml
@@ -10,10 +10,8 @@ spec:
     size: 1Gi
   numberOfInstances: 2
   users:
-    {{ .Values.db.username }}:  # database owner
-      - superuser
-      - createdb
+    hydra: []
   databases:
-    {{ .Values.db.dbName }}: {{ .Values.db.username }}  # dbname: owner
+    hydra: hydra
   postgresql:
     version: "14"