diff --git a/packages/pinball_components/lib/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior.dart b/packages/pinball_components/lib/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior.dart
index 3347e4bd..8e83f61f 100644
--- a/packages/pinball_components/lib/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior.dart
+++ b/packages/pinball_components/lib/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior.dart
@@ -19,17 +19,16 @@ class SparkyComputerSensorBallContactBehavior
     await parent.add(
       TimerComponent(
         period: 1.5,
-        onTick: () {
-          other
-            ..resume()
-            ..add(
-              BallTurboChargingBehavior(
-                impulse: Vector2(40, 110),
-              ),
-            );
+        removeOnFinish: true,
+        onTick: () async {
+          other.resume();
+          await other.add(
+            BallTurboChargingBehavior(
+              impulse: Vector2(40, 110),
+            ),
+          );
           parent.bloc.onBallTurboCharged();
         },
-        removeOnFinish: true,
       ),
     );
   }
diff --git a/packages/pinball_components/lib/src/components/sparky_computer/sparky_computer.dart b/packages/pinball_components/lib/src/components/sparky_computer/sparky_computer.dart
index ca83053c..9025d69d 100644
--- a/packages/pinball_components/lib/src/components/sparky_computer/sparky_computer.dart
+++ b/packages/pinball_components/lib/src/components/sparky_computer/sparky_computer.dart
@@ -73,17 +73,16 @@ class SparkyComputer extends BodyComponent {
         Vector2(-13.2, -49.9),
         -0.18,
       );
-    final turboChargeSensorFixtureDef = FixtureDef(
-      turboChargeSensor,
-      isSensor: true,
-      userData: 'turbo_charge_sensor',
-    );
 
     return [
       FixtureDef(leftEdge),
       FixtureDef(topEdge),
       FixtureDef(rightEdge),
-      turboChargeSensorFixtureDef,
+      FixtureDef(
+        turboChargeSensor,
+        isSensor: true,
+        userData: 'turbo_charge_sensor',
+      ),
     ];
   }
 
diff --git a/packages/pinball_components/test/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior_test.dart b/packages/pinball_components/test/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior_test.dart
index 2ca432b1..d90cc2c9 100644
--- a/packages/pinball_components/test/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior_test.dart
+++ b/packages/pinball_components/test/src/components/sparky_computer/behaviors/sparky_computer_sensor_ball_contact_behavior_test.dart
@@ -126,7 +126,9 @@ void main() {
             final ball = _MockBall();
             await behavior.beginContact(ball, _MockContact());
             await game.ready();
-            game.update(2);
+            game.update(
+              sparkyComputer.firstChild<TimerComponent>()!.timer.limit,
+            );
             await game.ready();
 
             verify(ball.resume).called(1);