diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 3f5b22e57b896..96cdbd38ed0b5 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -270,6 +270,7 @@
         <item name="*android:lockPatternStyle">@style/LockPatternStyle</item>
         <item name="passwordStyle">@style/PasswordTheme</item>
         <item name="backgroundProtectedStyle">@style/BackgroundProtectedStyle</item>
+        <item name="android:forceDarkAllowed">false</item>
 
         <!-- Needed for MediaRoute chooser dialog -->
         <item name="*android:isLightTheme">false</item>