diff --git a/mlx_video/models/ltx_2/ltx_2.py b/mlx_video/models/ltx_2/ltx_2.py
index ec21a6e..0920f8f 100644
--- a/mlx_video/models/ltx_2/ltx_2.py
+++ b/mlx_video/models/ltx_2/ltx_2.py
@@ -670,7 +670,7 @@ def from_pretrained(cls, model_path: Path, strict: bool = True) -> "LTXModel":
         config_dict = {}
         with open(model_path / "config.json", "r") as f:
             config_dict = json.load(f)
-        config = LTXModelConfig(**config_dict)
+        config = LTXModelConfig.from_dict(config_dict)
         model = cls(config)
 
         weights = {}