diff --git a/steering_controllers_library/src/steering_odometry.cpp b/steering_controllers_library/src/steering_odometry.cpp
index 6100914aac..824ec86f59 100644
--- a/steering_controllers_library/src/steering_odometry.cpp
+++ b/steering_controllers_library/src/steering_odometry.cpp
@@ -142,8 +142,8 @@ double SteeringOdometry::get_linear_velocity_double_traction_axle(
   }
 
   // overdetermined, we take the average
-  double vel_r = vel_wheel_r * turning_radius / (turning_radius + wheel_track_ * 0.5);
-  double vel_l = vel_wheel_l * turning_radius / (turning_radius - wheel_track_ * 0.5);
+  const double vel_r = vel_wheel_r * turning_radius / (turning_radius + wheel_track_ * 0.5);
+  const double vel_l = vel_wheel_l * turning_radius / (turning_radius - wheel_track_ * 0.5);
   return (vel_r + vel_l) * 0.5;
 }