diff --git a/services/core/java/com/android/server/audio/AudioDeviceBroker.java b/services/core/java/com/android/server/audio/AudioDeviceBroker.java
index 03dcc8d711d34..82fe6c6654dab 100644
--- a/services/core/java/com/android/server/audio/AudioDeviceBroker.java
+++ b/services/core/java/com/android/server/audio/AudioDeviceBroker.java
@@ -1914,7 +1914,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
         return null;
     }
 
-    UUID getDeviceSensorUuid(AudioDeviceAttributes device) {
+    @Nullable UUID getDeviceSensorUuid(AudioDeviceAttributes device) {
         synchronized (mDeviceStateLock) {
             return mDeviceInventory.getDeviceSensorUuid(device);
         }
diff --git a/services/core/java/com/android/server/audio/AudioDeviceInventory.java b/services/core/java/com/android/server/audio/AudioDeviceInventory.java
index dbe4fb8c87957..82e68d9aa45fb 100644
--- a/services/core/java/com/android/server/audio/AudioDeviceInventory.java
+++ b/services/core/java/com/android/server/audio/AudioDeviceInventory.java
@@ -16,6 +16,7 @@
 package com.android.server.audio;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
@@ -1495,7 +1496,7 @@ public class AudioDeviceInventory {
         mDevRoleCapturePresetDispatchers.finishBroadcast();
     }
 
-    UUID getDeviceSensorUuid(AudioDeviceAttributes device) {
+    @Nullable UUID getDeviceSensorUuid(AudioDeviceAttributes device) {
         final String key = DeviceInfo.makeDeviceListKey(device.getInternalType(),
                 device.getAddress());
         synchronized (mDevicesLock) {
diff --git a/services/core/java/com/android/server/audio/SpatializerHelper.java b/services/core/java/com/android/server/audio/SpatializerHelper.java
index e27fb11418509..8356134bc63b3 100644
--- a/services/core/java/com/android/server/audio/SpatializerHelper.java
+++ b/services/core/java/com/android/server/audio/SpatializerHelper.java
@@ -353,6 +353,14 @@ public class SpatializerHelper {
         mASA.getDevicesForAttributes(
                 DEFAULT_ATTRIBUTES, false /* forVolume */).toArray(ROUTING_DEVICES);
 
+        // check validity of routing information
+        if (ROUTING_DEVICES[0] == null) {
+            logloge("onRoutingUpdated: device is null, no Spatial Audio");
+            setDispatchAvailableState(false);
+            // not changing the spatializer level as this is likely a transient state
+            return;
+        }
+
         // is media routed to a new device?
         if (isWireless(ROUTING_DEVICES[0].getType())) {
             addWirelessDeviceIfNew(ROUTING_DEVICES[0]);
@@ -1098,7 +1106,7 @@ public class SpatializerHelper {
         logDeviceState(deviceState, "setHeadTrackerEnabled");
 
         // check current routing to see if it affects the headtracking mode
-        if (ROUTING_DEVICES[0].getType() == ada.getType()
+        if (ROUTING_DEVICES[0] != null && ROUTING_DEVICES[0].getType() == ada.getType()
                 && ROUTING_DEVICES[0].getAddress().equals(ada.getAddress())) {
             setDesiredHeadTrackingMode(enabled ? mDesiredHeadTrackingModeWhenEnabled
                     : Spatializer.HEAD_TRACKING_MODE_DISABLED);
@@ -1633,7 +1641,11 @@ public class SpatializerHelper {
 
     private int getHeadSensorHandleUpdateTracker() {
         int headHandle = -1;
-        UUID routingDeviceUuid = mAudioService.getDeviceSensorUuid(ROUTING_DEVICES[0]);
+        final AudioDeviceAttributes currentDevice = ROUTING_DEVICES[0];
+        if (currentDevice == null) {
+            return headHandle;
+        }
+        UUID routingDeviceUuid = mAudioService.getDeviceSensorUuid(currentDevice);
         // We limit only to Sensor.TYPE_HEAD_TRACKER here to avoid confusion
         // with gaming sensors. (Note that Sensor.TYPE_ROTATION_VECTOR
         // and Sensor.TYPE_GAME_ROTATION_VECTOR are supported internally by
@@ -1644,7 +1656,7 @@ public class SpatializerHelper {
             final UUID uuid = sensor.getUuid();
             if (uuid.equals(routingDeviceUuid)) {
                 headHandle = sensor.getHandle();
-                if (!setHasHeadTracker(ROUTING_DEVICES[0])) {
+                if (!setHasHeadTracker(currentDevice)) {
                     headHandle = -1;
                 }
                 break;