diff --git a/src/lib.rs b/src/lib.rs
index d1e042863..0fdb038ea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@ extern crate core;
 
 use std::sync::OnceLock;
 
-use jiter::{map_json_error, PartialMode, PythonParse, StringCacheMode};
+use jiter::{map_json_error, FloatMode, PartialMode, PythonParse, StringCacheMode};
 use pyo3::exceptions::PyTypeError;
 use pyo3::{prelude::*, sync::GILOnceCell};
 use serializers::BytesMode;
@@ -61,7 +61,7 @@ pub fn from_json<'py>(
         cache_mode: cache_strings,
         partial_mode: allow_partial,
         catch_duplicate_keys: false,
-        lossless_floats: false,
+        float_mode: FloatMode::Float,
     };
     parse_builder
         .python_parse(py, json_bytes)
diff --git a/src/validators/json.rs b/src/validators/json.rs
index f86cc4624..79a36e058 100644
--- a/src/validators/json.rs
+++ b/src/validators/json.rs
@@ -1,3 +1,4 @@
+use jiter::FloatMode;
 use pyo3::intern;
 use pyo3::prelude::*;
 use pyo3::types::PyDict;
@@ -71,7 +72,7 @@ impl Validator for JsonValidator {
                     cache_mode: state.cache_str(),
                     partial_mode: PartialMode::Off,
                     catch_duplicate_keys: false,
-                    lossless_floats: false,
+                    float_mode: FloatMode::Float,
                 };
                 let obj = parse_builder
                     .python_parse(py, json_bytes)