diff --git a/roles/cmoa_install/files/02-base/base/charts/cortex/values.yaml b/roles/cmoa_install/files/02-base/base/charts/cortex/values.yaml
index 127f8b0..a23fe92 100644
--- a/roles/cmoa_install/files/02-base/base/charts/cortex/values.yaml
+++ b/roles/cmoa_install/files/02-base/base/charts/cortex/values.yaml
@@ -203,11 +203,10 @@ runtimeconfigmap:
   # -- https://cortexmetrics.io/docs/configuration/arguments/#runtime-configuration-file
   # 설정부
   runtime_config:
-    runtime_config.yaml: |
-      overrides:
-        "fake":
-          max_series_per_metric: 0
-          max_series_per_user: 0
+    overrides:
+      "fake":
+        max_series_per_metric: 0
+        max_series_per_user: 0
 alertmanager:
   enabled: true
   replicas: 1