diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index f2e03cf89285e..c262baed4f237 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -1445,7 +1445,7 @@ public final class BluetoothAdapter {
                 if (VDBG) Log.d(TAG, "onBluetoothServiceDown: " + mService);
                 synchronized (mManagerCallback) {
                     mService = null;
-                    mLeScanClients.clear();
+                    if (mLeScanClients != null) mLeScanClients.clear();
                     if (sBluetoothLeAdvertiser != null) sBluetoothLeAdvertiser.cleanup();
                     if (sBluetoothLeScanner != null) sBluetoothLeScanner.cleanup();
                     for (IBluetoothManagerCallback cb : mProxyServiceStateCallbacks ){