diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
index dd866ec9a17b90c250eb3a236bfde9269713533f..cc84a572b4a91c00a7dedb94a14fc71157cf9234 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
@@ -102,7 +102,7 @@ def full_altitude_year_hypercube():
     for study_class in SCM_STUDIES[:1]:
         for trend_test_class in [GevLocationChangePointTest, GevScaleChangePointTest,
                                  GevShapeChangePointTest][:1]:
-            for last_starting_year in [1967, 1977, 1987, 1997, 2007, None][-2::-1]:
+            for last_starting_year in [1967, 1977, 1987, 1997, 2007, None][-1:]:
                 visualizers = [
                     StudyVisualizer(study, temporal_non_stationarity=True, verbose=False, multiprocessing=True)
                     for study in study_iterator(study_class=study_class, only_first_one=only_first_one,
diff --git a/experiment/trend_analysis/univariate_test/abstract_gev_change_point_test.py b/experiment/trend_analysis/univariate_test/abstract_gev_change_point_test.py
index 9348e9baefc1736d7bca4b00778debb032d078ae..2524d32c8ff69da1ddec530226780f2be69dfc9a 100644
--- a/experiment/trend_analysis/univariate_test/abstract_gev_change_point_test.py
+++ b/experiment/trend_analysis/univariate_test/abstract_gev_change_point_test.py
@@ -57,7 +57,7 @@ class AbstractGevChangePointTest(AbstractUnivariateTest):
 
     @property
     def likelihood_ratio(self):
-        return 2 * (self.non_stationary_deviance - self.stationary_deviance)
+        return self.non_stationary_deviance - self.stationary_deviance
 
     @property
     def non_stationary_nllh(self):