diff --git a/baselines/ppo2/model.py b/baselines/ppo2/model.py
index 3d5378a..af67999 100644
--- a/baselines/ppo2/model.py
+++ b/baselines/ppo2/model.py
@@ -137,7 +137,7 @@ class Model(object):
                 if MPI is not None:
                     sync_from_root(sess, global_variables)  # pylint: disable=E1101
 
-    def step_as_dict(self, **kwargs):
+    def step_with_dict(self, **kwargs):
         return self.act_model.step(**kwargs)
 
     def step(self, obs, M=None, S=None, **kwargs):
diff --git a/baselines/ppo2/runner.py b/baselines/ppo2/runner.py
index 1917dba..071de3a 100644
--- a/baselines/ppo2/runner.py
+++ b/baselines/ppo2/runner.py
@@ -49,7 +49,7 @@ class Runner(AbstractEnvRunner):
             transitions['dones'] = self.dones
             if 'next_states' in prev_transition:
                 transitions['states'] = prev_transition['next_states']
-            transitions.update(self.model.step_as_dict(**transitions))
+            transitions.update(self.model.step_with_dict(**transitions))
 
             # Take actions in env and look the results
             # Infos contains a ton of useful informations
@@ -80,7 +80,7 @@ class Runner(AbstractEnvRunner):
             dtype = data_type[key] if key in data_type else np.float
             minibatch[key] = np.asarray(minibatch[key], dtype=dtype)
 
-        last_values = self.model.step_as_dict(**transitions)['values']
+        last_values = self.model.step_with_dict(**transitions)['values']
 
         # Calculate returns and advantages.
         minibatch['advs'], minibatch['returns'] = \