diff --git a/OpenKeychain/src/main/res/values-v23/themes.xml b/OpenKeychain/src/main/res/values-v23/themes.xml
index 29bd762c0..995837e3f 100644
--- a/OpenKeychain/src/main/res/values-v23/themes.xml
+++ b/OpenKeychain/src/main/res/values-v23/themes.xml
@@ -2,6 +2,13 @@
 <resources>
 
     <!-- see http://stackoverflow.com/questions/32169303/activity-did-not-call-finish-api-23 -->
-    <style name="Theme.Keychain.Transparent" parent="@android:style/Theme.Translucent.NoTitleBar" />
+    <style name="Theme.Keychain.Transparent" parent="@android:style/Theme.Translucent.NoTitleBar">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowAnimationStyle">@android:style/Animation.Translucent</item>
+    </style>
 
 </resources>