diff --git a/sklearn_genetic/tests/test_feature_selection.py b/sklearn_genetic/tests/test_feature_selection.py
index 8af6707..8d64315 100644
--- a/sklearn_genetic/tests/test_feature_selection.py
+++ b/sklearn_genetic/tests/test_feature_selection.py
@@ -194,7 +194,7 @@ def test_negative_criteria():
     evolved_estimator = GAFeatureSelectionCV(
         clf,
         cv=3,
-        scoring="max_error",
+        scoring="neg_max_error",
         population_size=5,
         generations=generations,
         tournament_size=3,
diff --git a/sklearn_genetic/tests/test_genetic_search.py b/sklearn_genetic/tests/test_genetic_search.py
index 6c0dcdc..75fad72 100644
--- a/sklearn_genetic/tests/test_genetic_search.py
+++ b/sklearn_genetic/tests/test_genetic_search.py
@@ -259,7 +259,7 @@ def test_negative_criteria():
     evolved_estimator = GASearchCV(
         clf,
         cv=3,
-        scoring="max_error",
+        scoring="neg_max_error",
         population_size=5,
         generations=generations,
         tournament_size=3,