diff --git a/src/pandroid/app/src/main/res/values/themes.xml b/src/pandroid/app/src/main/res/values/themes.xml
index a5c48d62d..4cbdbb89a 100644
--- a/src/pandroid/app/src/main/res/values/themes.xml
+++ b/src/pandroid/app/src/main/res/values/themes.xml
@@ -15,7 +15,7 @@
     </style>
 
     <style name="PreferenceStyle" parent="PreferenceFragment.Material">
-        <item name="android:divider">?colorSurfaceOutline</item>
+        <item name="android:divider">?colorOutlineVariant</item>
     </style>
 
     <style name="Preference.SwitchPreferenceCompat" parent="Preference.SwitchPreferenceCompat.Material">
@@ -53,7 +53,7 @@
         <item name="colorOnSurface">#FFF</item>
 
         <item name="colorSurfaceVariant">#333</item>
-        <item name="colorSurfaceOutline">#45464F</item>
+        <item name="colorOutlineVariant">#45464F</item>
         <item name="colorOnSurfaceVariant">#BBB</item>
 
         <item name="colorPrimary">#FF6D00</item>
@@ -72,7 +72,7 @@
         <item name="colorOnSurface">#FFF</item>
 
         <item name="colorSurfaceVariant">#202020</item>
-        <item name="colorSurfaceOutline">#C6C5D0</item>
+        <item name="colorOutlineVariant">#C6C5D0</item>
         <item name="colorOnSurfaceVariant">#BBB</item>
 
         <item name="colorPrimary">#FF6D00</item>
@@ -91,7 +91,7 @@
         <item name="colorOnSurface">#111</item>
 
         <item name="colorSurfaceVariant">#EEE</item>
-        <item name="colorSurfaceOutline">#C6C5D0</item>
+        <item name="colorOutlineVariant">#C6C5D0</item>
         <item name="colorOnSurfaceVariant">#222</item>
 
         <item name="colorPrimary">#FF6D00</item>