diff --git a/rllib/algorithms/apex_dqn/tests/test_apex_dqn.py b/rllib/algorithms/apex_dqn/tests/test_apex_dqn.py
index a88e70441..e692483d7 100644
--- a/rllib/algorithms/apex_dqn/tests/test_apex_dqn.py
+++ b/rllib/algorithms/apex_dqn/tests/test_apex_dqn.py
@@ -123,7 +123,7 @@ class TestApexDQN(unittest.TestCase):
                 lr_schedule=[[0, 0.2], [100, 0.001]],
             )
             .reporting(
-                min_sample_timesteps_per_iteration=10,
+                min_train_timesteps_per_iteration=10,
                 # 0 metrics reporting delay, this makes sure timestep,
                 # which lr depends on, is updated after each worker rollout.
                 min_time_s_per_iteration=0,