diff --git a/router/src/lib.rs b/router/src/lib.rs
index 414d38ed..1e5ff170 100644
--- a/router/src/lib.rs
+++ b/router/src/lib.rs
@@ -209,7 +209,8 @@ pub(crate) enum GrammarType {
     ///
     /// JSON Schema is a declarative language that allows to annotate JSON documents
     /// with types and descriptions.
-    #[serde(rename = "json")]
+    #[serde(rename = "json_schema")]
+    #[serde(alias = "json")]
     #[serde(alias = "json_object")]
     #[schema(example = json ! ({"properties": {"location":{"type": "string"}}}))]
     Json(serde_json::Value),