diff --git a/Assets/Scripts/ScreenShaker.cs b/Assets/Scripts/ScreenShaker.cs
index a84d72b..188e698 100644
--- a/Assets/Scripts/ScreenShaker.cs
+++ b/Assets/Scripts/ScreenShaker.cs
@@ -1,14 +1,14 @@
+#nullable enable
 using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 using Cinemachine;
 using UnityEngine.InputSystem;
 
 public class ScreenShaker : MonoBehaviour {
-    CinemachineVirtualCamera cam;
-    CinemachineBasicMultiChannelPerlin noise;
-    Coroutine coroutine;
-    bool rumbleHeld;
+    CinemachineVirtualCamera cam = null!;
+    CinemachineBasicMultiChannelPerlin noise = null!;
+    Coroutine? coroutine;
+    (float, float)? heldRumble;
 
     void Awake() {
         cam = GetComponent<CinemachineVirtualCamera>();
@@ -23,26 +23,27 @@ public class ScreenShaker : MonoBehaviour {
     }
 
     public void StartHeldRumble(float rumbleLowFreq = 0.25f, float rumbleHighFreq = 0.75f) {
-	    rumbleHeld = true;
+	    heldRumble = (rumbleLowFreq, rumbleHighFreq);
 	    Gamepad.current.SetMotorSpeeds(rumbleLowFreq, rumbleHighFreq);
     }
 
     public void StopHeldRumble() {
-	    rumbleHeld = false;
+	    heldRumble = null;
 	    Gamepad.current.ResetHaptics();
     }
 
     IEnumerator ShakeCoroutine(float magnitude, float rumbleLowFreq, float rumbleHighFreq, float duration) {
         noise.m_AmplitudeGain = magnitude;
         noise.m_FrequencyGain = 10f;
-        Gamepad.current.SetMotorSpeeds(rumbleLowFreq, rumbleHighFreq);
+		Gamepad.current.SetMotorSpeeds(rumbleLowFreq, rumbleHighFreq);
 
         yield return new WaitForSecondsRealtime(duration);
 
         noise.m_AmplitudeGain = 0f;
         noise.m_FrequencyGain = 1f;
-        if (!rumbleHeld)
-			Gamepad.current.ResetHaptics();
+        if (heldRumble != null)
+			Gamepad.current.SetMotorSpeeds(heldRumble.Value.Item1, heldRumble.Value.Item2);
+        else
+	        Gamepad.current.ResetHaptics();
     }
-
 }