Fix

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -136,7 +136,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
             "addresses", "monospaced", "autohtml", "autoimages", "actionbar",
             "pull", "swipenav", "autoexpand", "autoclose", "autonext", "collapse", "autoread", "automove",
             "autoresize", "resize", "prefix_once", "autosend",
-            "subscriptions", "notify_preview", "search_local", "light", "sound",
+            "badge", "subscriptions", "notify_preview", "search_local", "light", "sound",
             "authentication", "paranoid", "english", "updates", "debug",
             "first", "why", "last_update_check", "app_support", "message_swipe", "message_select", "folder_actions", "folder_sync",
             "edit_ref_confirmed", "show_html_confirmed", "show_images_confirmed", "print_html_confirmed", "show_organization", "style_toolbar"