diff --git a/tests/algorithms/test_nonconstant_bounds.py b/tests/algorithms/test_nonconstant_bounds.py
index 9d83dc1..dd10c0c 100644
--- a/tests/algorithms/test_nonconstant_bounds.py
+++ b/tests/algorithms/test_nonconstant_bounds.py
@@ -11,7 +11,7 @@
 
 from algorithms import FrankWolfe, MoolaBoxLMO
 from problem import ScaledL1Norm, BoxConstraints
-from stepsize import DemyanovRubinovAdaptiveStepSize
+from stepsize import DemyanovRubinovOptimalStepSize
 
 # Source https://github.com/dolfin-adjoint/pyadjoint/blob/master/pyadjoint/verification.py
 def convergence_rates(E_values, eps_values, show=True):