diff --git a/normalized_actions.py b/normalized_actions.py
index d1814f5..a0e64c7 100644
--- a/normalized_actions.py
+++ b/normalized_actions.py
@@ -3,7 +3,7 @@ import gym
 
 class NormalizedActions(gym.ActionWrapper):
 
-    def _action(self, action):
+    def action(self, action):
         action = (action + 1) / 2  # [-1, 1] => [0, 1]
         action *= (self.action_space.high - self.action_space.low)
         action += self.action_space.low