diff --git a/mobile/src/main/res/values-v27/styles.xml b/mobile/src/main/res/values-v27/styles.xml
index 2628b73d..b9b2302c 100644
--- a/mobile/src/main/res/values-v27/styles.xml
+++ b/mobile/src/main/res/values-v27/styles.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
 
     <style name="AppTheme" parent="Theme.Design.Light.NoActionBar">
         <item name="colorPrimary">@color/colorPrimary</item>
@@ -7,7 +7,7 @@
         <item name="colorAccent">@color/colorAccent</item>
         <item name="preferenceTheme">@style/AppTheme.Preference</item>
         <item name="android:navigationBarColor">@android:color/white</item>
-        <item name="android:windowLightNavigationBar">true</item>
+        <item name="android:windowLightNavigationBar" tools:ignore="NewApi">true</item>
     </style>
 
 </resources>