diff --git a/templates/cowcheck/0/rancher-compose.yml b/templates/cowcheck/0/rancher-compose.yml
index 0ff5434..329c30a 100644
--- a/templates/cowcheck/0/rancher-compose.yml
+++ b/templates/cowcheck/0/rancher-compose.yml
@@ -13,7 +13,7 @@ catalog:
     - variable: ENABLE_STORAGE_CHECK
       label: ENABLE_STORAGE_CHECK
       description: Enable storage check
-      type: bool
+      type: boolean
       default: false
     - variable: DATA_SPACE_THRESHOLD
       label: DATA_SPACE_THRESHOLD