diff --git a/src/com/android/voicedialer/VoiceDialerActivity.java b/src/com/android/voicedialer/VoiceDialerActivity.java
index d46ce93..c6ac216 100644
--- a/src/com/android/voicedialer/VoiceDialerActivity.java
+++ b/src/com/android/voicedialer/VoiceDialerActivity.java
@@ -450,6 +450,9 @@ public void onReceive(Context context, Intent intent) {
                 if (false) Log.d(TAG, "HEADSET STATE -> " + state);
 
                 if (state == BluetoothProfile.STATE_CONNECTED) {
+                    if (device == null) {
+                        return;
+                    }
                     mBluetoothDevice = device;
                     updateBluetoothParameters(true);
                 } else if (state == BluetoothProfile.STATE_DISCONNECTED) {