diff --git a/charts/wonderwall/Feature.yaml b/charts/wonderwall/Feature.yaml
index 7c7843d..ddce93e 100644
--- a/charts/wonderwall/Feature.yaml
+++ b/charts/wonderwall/Feature.yaml
@@ -24,7 +24,7 @@ values:
   azure.forwardAuth:
     description: Enables forward auth server
     config:
-      type: boolean
+      type: bool
   azure.ssoDomain:
     description: Cookie domain for forward auth
     config: