diff --git a/tinyphysics.py b/tinyphysics.py
index b68d61b9..f14faeb0 100644
--- a/tinyphysics.py
+++ b/tinyphysics.py
@@ -117,7 +117,7 @@ def get_data(self, data_path: str) -> pd.DataFrame:
       'v_ego': df['vEgo'].values,
       'a_ego': df['aEgo'].values,
       'target_lataccel': df['targetLateralAcceleration'].values,
-      'steer_command': df['steerCommand'].values
+      'steer_command': -df['steerCommand'].values  # steer commands are logged with left-positive convention but this simulator uses right-positive
     })
     return processed_df