diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index d2c99dc..4775b17 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java
@@ -385,6 +385,8 @@
         }
 
         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+        if (adapter == null)
+            return;
         int btState = adapter.getState();
         if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
             mBluetoothTether.setEnabled(false);