diff --git a/motors/simple_receiver.cc b/motors/simple_receiver.cc
index a78f1e0..0470c31 100644
--- a/motors/simple_receiver.cc
+++ b/motors/simple_receiver.cc
@@ -561,7 +561,7 @@
     DrivetrainQueue_Output output;
 
     polydrivetrain->SetGoal(goal);
-    polydrivetrain->Update();
+    polydrivetrain->Update(12.0f);
     polydrivetrain->SetOutput(&output);
 
     vesc_set_duty(0, -output.left_voltage / 12.0f);