diff --git a/racecar/ackermann_cmd_mux/src/throttle_interpolator.py b/racecar/ackermann_cmd_mux/src/throttle_interpolator.py
index 0548801..3a9d274 100755
--- a/racecar/ackermann_cmd_mux/src/throttle_interpolator.py
+++ b/racecar/ackermann_cmd_mux/src/throttle_interpolator.py
@@ -47,7 +47,7 @@ def __init__(self):
         rospy.Timer(rospy.Duration(1.0/self.servo_smoother_rate), self._publish_servo_command)
 
         self.max_delta_rpm = abs(self.speed_to_erpm_gain * self.max_acceleration / self.throttle_smoother_rate)
-        rospy.Timer(rospy.Duration(1.0/self.max_delta_rpm), self._publish_throttle_command)
+        rospy.Timer(rospy.Duration(1.0/self.throttle_smoother_rate), self._publish_throttle_command)
         
         # run the node
         self._run()