diff --git a/java/res/values-sw600dp/config.xml b/java/res/values-sw600dp/config.xml
index 011054d..260f360 100644
--- a/java/res/values-sw600dp/config.xml
+++ b/java/res/values-sw600dp/config.xml
@@ -36,6 +36,8 @@
     <bool name="config_show_mini_keyboard_at_touched_point">true</bool>
     <!-- The language is never displayed if == 0, always displayed if < 0 -->
     <integer name="config_delay_before_fadeout_language_on_spacebar">1200</integer>
+    <!-- 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_text_size_of_language_on_spacebar" translatable="false">medium</string>
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index 2828f9d..8260568 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -35,6 +35,8 @@
     <!-- Showing mini keyboard, just above the touched point if true, aligned to the key if false -->
     <bool name="config_show_mini_keyboard_at_touched_point">true</bool>
     <integer name="config_delay_update_suggestions">180</integer>
+    <!-- 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_text_size_of_language_on_spacebar" translatable="false">medium</string>
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 86eeae7..bc64eb2 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -60,7 +60,10 @@
     <integer name="config_keyboard_grid_width">32</integer>
     <integer name="config_keyboard_grid_height">16</integer>
     <integer name="config_long_press_key_timeout">400</integer>
+    <!-- Long pressing shift will invoke caps-lock if > 0, never invoke caps-lock if == 0 -->
     <integer name="config_long_press_shift_key_timeout">1200</integer>
+    <!-- Long pressing space will invoke IME switcher if > 0, never invoke IME switcher if == 0 -->
+    <integer name="config_long_press_space_key_timeout">1200</integer>
     <integer name="config_touch_noise_threshold_millis">40</integer>
     <integer name="config_double_spaces_turn_into_period_timeout">1100</integer>
     <dimen name="config_touch_noise_threshold_distance">2.0mm</dimen>