diff --git a/infrastructure/rook/release.yaml b/infrastructure/rook/release.yaml
index 15245575d8de71e2ee0c37d8e004772d4a97b55b..ec9982bbf527ebe232838409d99f8f54dd8ceb09 100644
--- a/infrastructure/rook/release.yaml
+++ b/infrastructure/rook/release.yaml
@@ -32,7 +32,7 @@ spec:
     - name: rook-operator
   interval: 5m
   values:
-    CephClusterSpec:
+    cephClusterSpec:
       dataDirHostPath: /var/lib/rook
       mon:
         # Set the number of mons to be started. Must be an odd number, and is generally recommended to be 3.