diff --git a/mailu/mailu-es.yaml b/mailu/mailu-es.yaml
index 4168e1e..17e5e4a 100644
--- a/mailu/mailu-es.yaml
+++ b/mailu/mailu-es.yaml
@@ -8,10 +8,10 @@ spec:
     name: vault-backend
     kind: ClusterSecretStore
   target:
-    name: mailu_init_pass
+    name: mailu-init-pass
   data:
   - secretKey: password
     remoteRef:
-      key: mailu_init_pass
+      key: mailu-init-pass
       property: password
 
diff --git a/mailu/values.yaml b/mailu/values.yaml
index 77f47be..7375fef 100644
--- a/mailu/values.yaml
+++ b/mailu/values.yaml
@@ -96,7 +96,7 @@ initialAccount:
   username: "ruben"
   domain: "hensen.io"
   # password: ""
-  existingSecret: "mailu_init_pass"
+  existingSecret: "mailu-init-pass"
   existingSecretPasswordKey: "password"
   mode: "update"