diff --git a/pes_to_spec/model.py b/pes_to_spec/model.py
index c635c373d5a0f8fdd07013560051920f76fba254..a232761e807d5f0a6ab186695aef3c9a9ebde3f6 100644
--- a/pes_to_spec/model.py
+++ b/pes_to_spec/model.py
@@ -586,7 +586,7 @@ class Model(TransformerMixin, BaseEstimator):
                                      for j, k in product(range(1, 5), ["A", "B", "C", "D"])],
                  n_pca_lr: int=1000,
                  n_pca_hr: int=20,
-                 high_res_sigma: float=0.2,
+                 high_res_sigma: float=0,
                  tof_start: Optional[int]=None,
                  delta_tof: Optional[int]=300,
                  validation_size: float=0.05,