diff --git a/java/res/values-sw600dp/config.xml b/java/res/values-sw600dp/config.xml
index 689b209..c507bd2 100644
--- a/java/res/values-sw600dp/config.xml
+++ b/java/res/values-sw600dp/config.xml
@@ -31,7 +31,7 @@
     <!-- Long pressing space will invoke IME switcher if > 0, never invoke IME switcher if == 0 -->
     <integer name="config_long_press_space_key_timeout">0</integer>
     <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
-    <string name="config_default_keyboard_theme_id" translatable="false">5</string>
+    <string name="config_default_keyboard_theme_index" translatable="false">5</string>
     <integer name="config_max_more_keys_column">5</integer>
     <!--
         Configuration for LatinKeyboardView
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index d46e5f1..b78a6c6 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -29,7 +29,7 @@
     <!-- Long pressing space will invoke IME switcher if > 0, never invoke IME switcher if == 0 -->
     <integer name="config_long_press_space_key_timeout">0</integer>
     <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
-    <string name="config_default_keyboard_theme_id" translatable="false">5</string>
+    <string name="config_default_keyboard_theme_index" translatable="false">5</string>
     <integer name="config_max_more_keys_column">5</integer>
     <!--
         Configuration for LatinKeyboardView
diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index f38b85f..b926ed0 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -32,7 +32,7 @@
             android:persistent="true"
             android:entryValues="@array/keyboard_layout_modes_values"
             android:entries="@array/keyboard_layout_modes"
-            android:defaultValue="@string/config_default_keyboard_theme_id"
+            android:defaultValue="@string/config_default_keyboard_theme_index"
             />
 
     <CheckBoxPreference