diff --git a/DroidFish/src/org/petero/droidfish/activities/Preferences.java b/DroidFish/src/org/petero/droidfish/activities/Preferences.java
index f4fa14c..464be7d 100644
--- a/DroidFish/src/org/petero/droidfish/activities/Preferences.java
+++ b/DroidFish/src/org/petero/droidfish/activities/Preferences.java
@@ -29,7 +29,7 @@ import android.preference.PreferenceManager;
 
 public class Preferences extends PreferenceActivity {
 
-    public static class Fragment extends PreferenceFragment {
+    private static class Fragment extends PreferenceFragment {
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);