diff --git a/engine/droid/src/com/fteqw/FTEDroidActivity.java b/engine/droid/src/com/fteqw/FTEDroidActivity.java
index 7d3a34a6d..e8faac27c 100644
--- a/engine/droid/src/com/fteqw/FTEDroidActivity.java
+++ b/engine/droid/src/com/fteqw/FTEDroidActivity.java
@@ -22,6 +22,7 @@ import android.hardware.SensorEventListener;
 import android.media.AudioFormat;
 import android.media.AudioManager;
 import android.media.AudioTrack;
+import android.os.Environment;
 
 public class FTEDroidActivity extends Activity
 {