diff --git a/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java b/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
index bcdcef7dc..e1db36088 100644
--- a/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
+++ b/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
@@ -26,12 +26,16 @@ public class EditorInfoCompatUtils {
             EditorInfo.class, "IME_FLAG_NAVIGATE_NEXT");
     private static final Field FIELD_IME_FLAG_NAVIGATE_PREVIOUS = CompatUtils.getField(
             EditorInfo.class, "IME_FLAG_NAVIGATE_PREVIOUS");
+    private static final Field FIELD_IME_FLAG_FORCE_ASCII = CompatUtils.getField(
+            EditorInfo.class, "IME_FLAG_FORCE_ASCII");
     private static final Field FIELD_IME_ACTION_PREVIOUS = CompatUtils.getField(
             EditorInfo.class, "IME_ACTION_PREVIOUS");
     private static final Integer OBJ_IME_FLAG_NAVIGATE_NEXT = (Integer) CompatUtils
             .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_NEXT);
     private static final Integer OBJ_IME_FLAG_NAVIGATE_PREVIOUS = (Integer) CompatUtils
             .getFieldValue(null, null, FIELD_IME_FLAG_NAVIGATE_PREVIOUS);
+    private static final Integer OBJ_IME_FLAG_FORCE_ASCII = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_IME_FLAG_FORCE_ASCII);
     private static final Integer OBJ_IME_ACTION_PREVIOUS = (Integer) CompatUtils
             .getFieldValue(null, null, FIELD_IME_ACTION_PREVIOUS);
 
@@ -47,6 +51,12 @@ public class EditorInfoCompatUtils {
         return (imeOptions & OBJ_IME_FLAG_NAVIGATE_PREVIOUS) != 0;
     }
 
+    public static boolean hasFlagForceAscii(int imeOptions) {
+        if (OBJ_IME_FLAG_FORCE_ASCII == null)
+            return false;
+        return (imeOptions & OBJ_IME_FLAG_FORCE_ASCII) != 0;
+    }
+
     public static void performEditorActionNext(InputConnection ic) {
         ic.performEditorAction(EditorInfo.IME_ACTION_NEXT);
     }
@@ -93,10 +103,19 @@ public class EditorInfoCompatUtils {
                 break;
             }
         }
+        final StringBuilder flags = new StringBuilder();
         if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
-            return "flagNoEnterAction|" + action;
-        } else {
-            return action;
+            flags.append("flagNoEnterAction|");
         }
+        if (hasFlagNavigateNext(imeOptions)) {
+            flags.append("flagNavigateNext|");
+        }
+        if (hasFlagNavigatePrevious(imeOptions)) {
+            flags.append("flagNavigatePrevious|");
+        }
+        if (hasFlagForceAscii(imeOptions)) {
+            flags.append("flagForceAscii|");
+        }
+        return flags + action;
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSet.java b/java/src/com/android/inputmethod/keyboard/KeyboardSet.java
index 41696059d..285252044 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSet.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSet.java
@@ -25,6 +25,7 @@ import android.util.Log;
 import android.util.Xml;
 import android.view.inputmethod.EditorInfo;
 
+import com.android.inputmethod.compat.EditorInfoCompatUtils;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.LocaleUtils;
@@ -179,8 +180,9 @@ public class KeyboardSet {
         // TODO: Use InputMethodSubtype object as argument.
         public Builder setSubtype(Locale inputLocale, boolean asciiCapable,
                 boolean touchPositionCorrectionEnabled) {
-            final boolean forceAscii = Utils.inPrivateImeOptions(
-                    mPackageName, LatinIME.IME_OPTION_FORCE_ASCII, mEditorInfo);
+            final boolean forceAscii = EditorInfoCompatUtils.hasFlagForceAscii(mParams.mImeOptions)
+                    || Utils.inPrivateImeOptions(
+                            mPackageName, LatinIME.IME_OPTION_FORCE_ASCII, mEditorInfo);
             mParams.mLocale = (forceAscii && !asciiCapable) ? Locale.US : inputLocale;
             mParams.mTouchPositionCorrectionEnabled = touchPositionCorrectionEnabled;
             return this;
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index e6c4ba71b..02391da9c 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -104,10 +104,14 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
      */
     public static final String IME_OPTION_NO_SETTINGS_KEY = "noSettingsKey";
 
+    // TODO: Remove this private option.
     /**
      * The private IME option used to indicate that the given text field needs
      * ASCII code points input.
+     *
+     * @deprecated Use {@link EditorInfo#IME_FLAG_FORCE_ASCII}.
      */
+    @SuppressWarnings("dep-ann")
     public static final String IME_OPTION_FORCE_ASCII = "forceAscii";
 
     /**