diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 589adec..631c35d 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -379,6 +379,7 @@
     </declare-styleable>
 
     <declare-styleable name="Keyboard_Case">
+        <attr name="keyboardLayoutSet" format="string" />
         <!-- This should be aligned with KeyboardLayoutSet_Element's elementName. -->
         <attr name="keyboardLayoutSetElement" format="enum|string">
             <enum name="alphabet" value="0" />
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
index 8c70389..22f7a83 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardBuilder.java
@@ -625,6 +625,9 @@
         final AttributeSet attr = Xml.asAttributeSet(parser);
         final TypedArray caseAttr = mResources.obtainAttributes(attr, R.styleable.Keyboard_Case);
         try {
+            final boolean keyboardLayoutSetMatched = matchString(caseAttr,
+                    R.styleable.Keyboard_Case_keyboardLayoutSet,
+                    SubtypeLocaleUtils.getKeyboardLayoutSetName(id.mSubtype));
             final boolean keyboardLayoutSetElementMatched = matchTypedValue(caseAttr,
                     R.styleable.Keyboard_Case_keyboardLayoutSetElement, id.mElementId,
                     KeyboardId.elementIdToName(id.mElementId));
@@ -657,15 +660,18 @@
                     R.styleable.Keyboard_Case_languageCode, id.mLocale.getLanguage());
             final boolean countryCodeMatched = matchString(caseAttr,
                     R.styleable.Keyboard_Case_countryCode, id.mLocale.getCountry());
-            final boolean selected = keyboardLayoutSetElementMatched && modeMatched
-                    && navigateNextMatched && navigatePreviousMatched && passwordInputMatched
-                    && clobberSettingsKeyMatched && shortcutKeyEnabledMatched
-                    && shortcutKeyOnSymbolsMatched && hasShortcutKeyMatched
-                    && languageSwitchKeyEnabledMatched && isMultiLineMatched && imeActionMatched
-                    && localeCodeMatched && languageCodeMatched && countryCodeMatched;
+            final boolean selected = keyboardLayoutSetMatched && keyboardLayoutSetElementMatched
+                    && modeMatched && navigateNextMatched && navigatePreviousMatched
+                    && passwordInputMatched && clobberSettingsKeyMatched
+                    && shortcutKeyEnabledMatched && shortcutKeyOnSymbolsMatched
+                    && hasShortcutKeyMatched && languageSwitchKeyEnabledMatched
+                    && isMultiLineMatched && imeActionMatched && localeCodeMatched
+                    && languageCodeMatched && countryCodeMatched;
 
             if (DEBUG) {
-                startTag("<%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s>%s", TAG_CASE,
+                startTag("<%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s>%s", TAG_CASE,
+                        textAttr(caseAttr.getString(
+                                R.styleable.Keyboard_Case_keyboardLayoutSet), "keyboardLayoutSet"),
                         textAttr(caseAttr.getString(
                                 R.styleable.Keyboard_Case_keyboardLayoutSetElement),
                                 "keyboardLayoutSetElement"),