diff --git a/src/rougail/output_doc/config.py b/src/rougail/output_doc/config.py
index 6643acad7..b306cf3a2 100644
--- a/src/rougail/output_doc/config.py
+++ b/src/rougail/output_doc/config.py
@@ -111,6 +111,7 @@ cli:
   read_write:
     redefine: true
     exists: true
+    type: boolean
     default:
       jinja: |-
         {{{{ __.step.output is not propertyerror and "doc" in __.step.output }}}}