diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index f24b433..a7d2bd9 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -428,6 +428,8 @@
     <string name="prefs_keypress_sound_volume_settings">Keypress sound volume</string>
     <!-- Title of the settings for reading an external dictionary file -->
     <string name="prefs_read_external_dictionary">Read external dictionary file</string>
+    <!-- Title of the settings for using only personalization dictionary -->
+    <string name="prefs_use_only_personalization_dictionary" translatable="false">Use only personalization dictionary</string>
     <!-- Message to show when there are no files to install as an external dictionary [CHAR LIMIT=100] -->
     <string name="read_external_dictionary_no_files_message">No dictionary files in the Downloads folder</string>
     <!-- Title of the dialog that selects a file to install as an external dictionary [CHAR LIMIT=50] -->
diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index 8efd1c9..6958dda 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -51,6 +51,12 @@
             android:persistent="true"
             android:defaultValue="false" />
 
+    <CheckBoxPreference
+        android:defaultValue="false"
+        android:key="use_only_personalization_dictionary"
+        android:persistent="true"
+        android:title="@string/prefs_use_only_personalization_dictionary_for_debug" />
+
     <PreferenceScreen
         android:key="read_external_dictionary"
         android:title="@string/prefs_read_external_dictionary" />