diff --git a/java/src/com/android/inputmethod/latin/DictionaryInfoUtils.java b/java/src/com/android/inputmethod/latin/DictionaryInfoUtils.java
index df7bad8..9d47849 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryInfoUtils.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryInfoUtils.java
@@ -30,6 +30,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.Locale;
 
 /**
@@ -301,12 +302,14 @@
 
     private static void addOrUpdateDictInfo(final ArrayList<DictionaryInfo> dictList,
             final DictionaryInfo newElement) {
-        for (final DictionaryInfo info : dictList) {
-            if (info.mLocale.equals(newElement.mLocale)) {
-                if (newElement.mVersion <= info.mVersion) {
+        final Iterator<DictionaryInfo> iter = dictList.iterator();
+        while (iter.hasNext()) {
+            final DictionaryInfo thisDictInfo = iter.next();
+            if (thisDictInfo.mLocale.equals(newElement.mLocale)) {
+                if (newElement.mVersion <= thisDictInfo.mVersion) {
                     return;
                 }
-                dictList.remove(info);
+                iter.remove();
             }
         }
         dictList.add(newElement);
diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index 9fefb58..a6149c6 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -21,6 +21,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.res.Resources;
 import android.preference.PreferenceManager;
+import android.util.Log;
 
 import com.android.inputmethod.latin.LocaleUtils.RunInLocale;
 
@@ -28,6 +29,7 @@
 import java.util.Locale;
 
 public final class Settings implements SharedPreferences.OnSharedPreferenceChangeListener {
+    private static final String TAG = Settings.class.getSimpleName();
     // In the same order as xml/prefs.xml
     public static final String PREF_GENERAL_SETTINGS = "general_settings";
     public static final String PREF_AUTO_CAP = "auto_cap";
@@ -114,6 +116,12 @@
 
     @Override
     public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
+        if (mSettingsValues == null) {
+            // TODO: Introduce a static function to register this class and ensure that
+            // loadSettings must be called before "onSharedPreferenceChanged" is called.
+            Log.w(TAG, "onSharedPreferenceChanged called before loadSettings.");
+            return;
+        }
         loadSettings(mCurrentLocale, mSettingsValues.mInputAttributes);
     }