diff --git a/radicale_odoo_right/__init__.py b/radicale_odoo_right/__init__.py
index ece5c20..773a10c 100644
--- a/radicale_odoo_right/__init__.py
+++ b/radicale_odoo_right/__init__.py
@@ -25,7 +25,7 @@ class Rights(BaseRights):
     """ BaseRights implementation for Odoo Radicale """
 
     def authorized(self, user, path, permission):
-        return True
+        return permission == 'r'
 
     def authorized_item(self, user, path, permission):
-        return True
+        return permission == 'r'