diff --git a/pes_to_spec/model.py b/pes_to_spec/model.py
index c9c05b4e3c0e7a68ad07546819cdffa5a7e93e02..5d48e754feb6f2b8d9b66695e7ddaf1be77359bd 100644
--- a/pes_to_spec/model.py
+++ b/pes_to_spec/model.py
@@ -178,7 +178,7 @@ class Model(TransformerMixin, BaseEstimator):
                  delta_tof: Optional[int]=300,
                  validation_size: float=0.05,
                  nonlinear: bool=True,
-                 n_pca_kernel_lr: int=50):
+                 n_pca_kernel_lr: int=10):
         self.channels = channels
         self.n_pca_lr = n_pca_lr
         self.n_pca_hr = n_pca_hr