diff --git a/charts/core/values.yaml b/charts/core/values.yaml
index e7625156..c3dd671e 100644
--- a/charts/core/values.yaml
+++ b/charts/core/values.yaml
@@ -283,7 +283,7 @@ controller:
         - Fullname: admin
           Password:
           Role: admin
-  cert-upgrader:
+  certupgrader:
     env: []
     # The cronjob schedule that cert-upgrader will run to check and rotate internal certificate.
     # default: "" (off)