diff --git a/java/src/com/android/inputmethod/dictionarypack/DictionarySettingsActivity.java b/java/src/com/android/inputmethod/dictionarypack/DictionarySettingsActivity.java
index 684165240..c28d72949 100644
--- a/java/src/com/android/inputmethod/dictionarypack/DictionarySettingsActivity.java
+++ b/java/src/com/android/inputmethod/dictionarypack/DictionarySettingsActivity.java
@@ -24,6 +24,8 @@ import android.preference.PreferenceActivity;
  * Preference screen.
  */
 public final class DictionarySettingsActivity extends PreferenceActivity {
+    private static final String DEFAULT_FRAGMENT = DictionarySettingsFragment.class.getName();
+
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -32,11 +34,17 @@ public final class DictionarySettingsActivity extends PreferenceActivity {
     @Override
     public Intent getIntent() {
         final Intent modIntent = new Intent(super.getIntent());
-        modIntent.putExtra(EXTRA_SHOW_FRAGMENT, DictionarySettingsFragment.class.getName());
+        modIntent.putExtra(EXTRA_SHOW_FRAGMENT, DEFAULT_FRAGMENT);
         modIntent.putExtra(EXTRA_NO_HEADERS, true);
         // Important note : the original intent should contain a String extra with the key
         // DictionarySettingsFragment.DICT_SETTINGS_FRAGMENT_CLIENT_ID_ARGUMENT so that the
         // fragment can know who the client is.
         return modIntent;
     }
+
+    // TODO: Uncomment the override annotation once we start using SDK version 19.
+    // @Override
+    public boolean isValidFragment(String fragmentName) {
+        return fragmentName.equals(DEFAULT_FRAGMENT);
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettingsActivity.java b/java/src/com/android/inputmethod/latin/settings/DebugSettingsActivity.java
index b499c26b6..ef6ab2a38 100644
--- a/java/src/com/android/inputmethod/latin/settings/DebugSettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettingsActivity.java
@@ -38,4 +38,10 @@ public final class DebugSettingsActivity extends PreferenceActivity {
         super.onCreate(savedInstanceState);
         setTitle(R.string.english_ime_debug_settings);
     }
+
+    // TODO: Uncomment the override annotation once we start using SDK version 19.
+    // @Override
+    public boolean isValidFragment(String fragmentName) {
+        return fragmentName.equals(DEFAULT_FRAGMENT);
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java b/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
index 6c3818651..ad68f8c37 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
@@ -32,4 +32,10 @@ public final class SettingsActivity extends PreferenceActivity {
         intent.putExtra(EXTRA_NO_HEADERS, true);
         return intent;
     }
+
+    // TODO: Uncomment the override annotation once we start using SDK version 19.
+    // @Override
+    public boolean isValidFragment(String fragmentName) {
+        return fragmentName.equals(DEFAULT_FRAGMENT);
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
index 119ca4755..aba563746 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
@@ -24,6 +24,8 @@ import android.preference.PreferenceActivity;
  * Spell checker preference screen.
  */
 public final class SpellCheckerSettingsActivity extends PreferenceActivity {
+    private static final String DEFAULT_FRAGMENT = SpellCheckerSettingsFragment.class.getName();
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -32,8 +34,14 @@ public final class SpellCheckerSettingsActivity extends PreferenceActivity {
     @Override
     public Intent getIntent() {
         final Intent modIntent = new Intent(super.getIntent());
-        modIntent.putExtra(EXTRA_SHOW_FRAGMENT, SpellCheckerSettingsFragment.class.getName());
+        modIntent.putExtra(EXTRA_SHOW_FRAGMENT, DEFAULT_FRAGMENT);
         modIntent.putExtra(EXTRA_NO_HEADERS, true);
         return modIntent;
     }
+
+    // TODO: Uncomment the override annotation once we start using SDK version 19.
+    // @Override
+    public boolean isValidFragment(String fragmentName) {
+        return fragmentName.equals(DEFAULT_FRAGMENT);
+    }
 }