diff --git a/sklearn/utils/tests/test_extmath.py b/sklearn/utils/tests/test_extmath.py
index bf450cd676555..b4a651e0971dd 100644
--- a/sklearn/utils/tests/test_extmath.py
+++ b/sklearn/utils/tests/test_extmath.py
@@ -403,7 +403,7 @@ def test_fast_dot():
             assert_raises(ValueError, _fast_dot, x, x.T)
 
 
-def test_update_formulas():
+def test_incremental_variance_update_formulas():
     """Test Youngs and Cramer incremental variance formulas."""
     # Doggie data from http://www.mathsisfun.com/data/standard-deviation.html
     A = np.array([[600, 470, 170, 430, 300],