diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 2f3bb9909..d289b44a0 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -24,6 +24,7 @@
         <item name="android:spinnerItemStyle">@style/SpinnerItem</item>
         <item name="spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
         <item name="android:spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
+        <item name="android:windowBackground">@android:color/black</item>
     </style>
 
     <style name="DayView">