diff --git a/charts/cnpg-cluster/templates/backup-cron.yaml b/charts/cnpg-cluster/templates/backup-cron.yaml
index 256bd8b..ef23a2a 100644
--- a/charts/cnpg-cluster/templates/backup-cron.yaml
+++ b/charts/cnpg-cluster/templates/backup-cron.yaml
@@ -47,8 +47,20 @@ spec:
                 - name: AWS_ENDPOINT_URL
                   value: {{ .Values.backup.barmanObjectStore.endpointURL }}
                 - name: DESTINATION_PATH
-                  value: {{ trimSuffix "/" .Values.backup.barmanObjectStore.destinationPath }}/dumps
-              envFrom:
-                - secretRef:
-                    name: {{ .Values.backup.sqlDumpPgSecret }}
+                  value: {{ trimSuffix "/" .Values.backup.barmanObjectStore.destinationPath }}/{{ include "cnpg-cluster.fullname" . }}/dumps
+                - name: PGPASSWORD
+                  valueFrom:
+                    secretKeyRef:
+                      name: {{ include "cnpg-cluster.fullname" $ }}-superuser
+                      key: password
+                - name: PGUSER
+                  valueFrom:
+                    secretKeyRef:
+                      name: {{ include "cnpg-cluster.fullname" $ }}-superuser
+                      key: username
+                - name: PGDATABASE
+                  value: {{ .Values.dbName }}
+                - name: PGHOST
+                  value: {{ include "cnpg-cluster.fullname" $ }}-r
+
 {{- end}}
diff --git a/charts/cnpg-cluster/tests/__snapshot__/cnpg-cluster_test.yaml.snap b/charts/cnpg-cluster/tests/__snapshot__/cnpg-cluster_test.yaml.snap
index 6fb1f2b..2bbd706 100644
--- a/charts/cnpg-cluster/tests/__snapshot__/cnpg-cluster_test.yaml.snap
+++ b/charts/cnpg-cluster/tests/__snapshot__/cnpg-cluster_test.yaml.snap
@@ -35,10 +35,21 @@ cluster with enabled backup and recovery:
                   - name: AWS_ENDPOINT_URL
                     value: http://minio:9000
                   - name: DESTINATION_PATH
-                    value: s3://backups/dumps
-                envFrom:
-                  - secretRef:
-                      name: pg-user-app
+                    value: s3://backups/RELEASE-NAME-cnpg-cluster/dumps
+                  - name: PGPASSWORD
+                    valueFrom:
+                      secretKeyRef:
+                        key: password
+                        name: RELEASE-NAME-cnpg-cluster-superuser
+                  - name: PGUSER
+                    valueFrom:
+                      secretKeyRef:
+                        key: username
+                        name: RELEASE-NAME-cnpg-cluster-superuser
+                  - name: PGDATABASE
+                    value: app
+                  - name: PGHOST
+                    value: RELEASE-NAME-cnpg-cluster-r
                 image: ghcr.io/socialgouv/docker/s3-client:1
                 imagePullPolicy: IfNotPresent
                 name: s3-client
diff --git a/charts/cnpg-cluster/values.yaml b/charts/cnpg-cluster/values.yaml
index bfd66cc..fdd94bb 100644
--- a/charts/cnpg-cluster/values.yaml
+++ b/charts/cnpg-cluster/values.yaml
@@ -78,9 +78,6 @@ backup:
   # -- Schedule the SQL dump backups, for instance every Sunday
   sqlDumpSchedule: "0 0 * * 0"
 
-  # -- Secret where pg_dump will look for DB credentials
-  sqlDumpPgSecret:
-
   # -- RetentionPolicy is the retention policy to be used for backups and WALs (i.e. '60d').
   # The retention policy is expressed in the form of XXu where XX is a positive integer and
   # u is in [dwm] - days, weeks, months.