diff --git a/core/res/res/values/themes.xml b/core/res/res/values/themes.xml
index 2ef0c927cc61e..88f9fc2199e54 100644
--- a/core/res/res/values/themes.xml
+++ b/core/res/res/values/themes.xml
@@ -702,7 +702,7 @@ please see themes_device_defaults.xml.
     </style>
 
     <style name="Theme.Dream">
-        <item name="windowBackground">@null</item>
+        <item name="windowBackground">@color/black</item>
         <item name="windowDisablePreview">true</item>
     </style>