diff --git a/src/pytest_fluent/data/schema.stage.json b/src/pytest_fluent/data/schema.stage.json
index 2034441..172bd28 100644
--- a/src/pytest_fluent/data/schema.stage.json
+++ b/src/pytest_fluent/data/schema.stage.json
@@ -99,7 +99,7 @@
         },
         "LogFormatter": {
             "type": "object",
-            "additionalProperties": false,
+            "additionalProperties": true,
             "properties": {
                 "recordFormatter": {
                     "type": "object",