diff --git a/src/com/android/settings/deviceinfo/Memory.java b/src/com/android/settings/deviceinfo/Memory.java
index cb344bf..cabc6e9 100644
--- a/src/com/android/settings/deviceinfo/Memory.java
+++ b/src/com/android/settings/deviceinfo/Memory.java
@@ -57,8 +57,8 @@
     // The mountToggle Preference that has last been clicked.
     // Assumes no two successive unmount event on 2 different volumes are performed before the first
     // one's preference is disabled
-    private Preference mLastClickedMountToggle;
-    private String mClickedMountPoint;
+    private static Preference mLastClickedMountToggle;
+    private static String mClickedMountPoint;
 
     // Access using getMountService()
     private IMountService mMountService = null;