diff --git a/charts/firefly-db/templates/backup.tpl b/charts/firefly-db/templates/backup.tpl
index ca1ead7..96079d0 100644
--- a/charts/firefly-db/templates/backup.tpl
+++ b/charts/firefly-db/templates/backup.tpl
@@ -5,8 +5,13 @@ spec:
     image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
     imagePullPolicy: IfNotPresent
     envFrom:
+    {{- if not .Values.configs.existingSecret }}
     - configMapRef:
         name: {{ template "firefly-db.fullname" . }}-config
+    {{- else }}
+    - secretRef:
+        name: {{ .Values.configs.existingSecret }}
+    {{- end }}
     command:
     - /bin/sh
     - -c