diff --git a/src/com/android/contacts/preference/ContactsPreferences.java b/src/com/android/contacts/preference/ContactsPreferences.java
index bfe7743..540158d 100644
--- a/src/com/android/contacts/preference/ContactsPreferences.java
+++ b/src/com/android/contacts/preference/ContactsPreferences.java
@@ -118,6 +118,12 @@
         if (mListener != null) unregisterChangeListener();
 
         mListener = listener;
+
+        // Reset preferences to "unknown" because they may have changed while the
+        // observer was unregistered.
+        mDisplayOrder = -1;
+        mSortOrder = -1;
+
         final ContentResolver contentResolver = mContext.getContentResolver();
         contentResolver.registerContentObserver(
                 Settings.System.getUriFor(
diff --git a/src/com/android/contacts/preference/DisplayOrderPreference.java b/src/com/android/contacts/preference/DisplayOrderPreference.java
index b804660..fea01c8 100644
--- a/src/com/android/contacts/preference/DisplayOrderPreference.java
+++ b/src/com/android/contacts/preference/DisplayOrderPreference.java
@@ -62,7 +62,7 @@
 
     @Override
     public CharSequence getSummary() {
-        switch (mPreferences.getSortOrder()) {
+        switch (mPreferences.getDisplayOrder()) {
             case ContactsContract.Preferences.DISPLAY_ORDER_PRIMARY:
                 return mContext.getString(R.string.display_options_view_given_name_first);
             case ContactsContract.Preferences.DISPLAY_ORDER_ALTERNATIVE:
@@ -74,7 +74,7 @@
     @Override
     protected boolean persistString(String value) {
         int newValue = Integer.parseInt(value);
-        if (newValue != mPreferences.getSortOrder()) {
+        if (newValue != mPreferences.getDisplayOrder()) {
             mPreferences.setDisplayOrder(newValue);
             notifyChanged();
         }