diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 785e57fe7..611963c80 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -192,6 +192,7 @@
     <string name="open_fw_installer_ensure_device_connected">Make sure that the device %s is connected</string>
     <!-- Strings related to Settings -->
     <string name="title_activity_settings">Settings</string>
+    <string name="proprietary_app_warning">This feature requires the installation of a proprietary app</string>
     <string name="pref_header_general">General settings</string>
     <string name="pref_header_other">Other</string>
     <string name="pref_header_system">System</string>
diff --git a/app/src/main/res/xml/sleepasandroid_preferences.xml b/app/src/main/res/xml/sleepasandroid_preferences.xml
index f75338f86..238192a5b 100644
--- a/app/src/main/res/xml/sleepasandroid_preferences.xml
+++ b/app/src/main/res/xml/sleepasandroid_preferences.xml
@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <Preference
+        android:icon="@drawable/ic_warning"
+        android:key="pref_proprietary_app_warning"
+        android:summary="@string/proprietary_app_warning" />
+
     <PreferenceCategory
         android:key="pref_key_sleepasandroid_general"
         android:title="@string/pref_header_general"