diff --git a/rocketpy/rocket/aero_surface.py b/rocketpy/rocket/aero_surface.py
index 47b368e9f..cb5fb3e70 100644
--- a/rocketpy/rocket/aero_surface.py
+++ b/rocketpy/rocket/aero_surface.py
@@ -2022,7 +2022,7 @@ def update_state(self, time, cd):
 
         # Update previous state
         self.previous_state = [time, self.deployed_level, cd]
-        
+
     def finalize_state(self):
         """Updates the state list history of the air brakes.