diff --git a/app/src/main/java/org/tasks/preferences/BasicPreferences.java b/app/src/main/java/org/tasks/preferences/BasicPreferences.java
index 4ea72f81b..f0f692891 100644
--- a/app/src/main/java/org/tasks/preferences/BasicPreferences.java
+++ b/app/src/main/java/org/tasks/preferences/BasicPreferences.java
@@ -2,6 +2,7 @@ package org.tasks.preferences;
 
 import static com.todoroo.andlib.utility.AndroidUtilities.atLeastJellybeanMR1;
 import static com.todoroo.andlib.utility.AndroidUtilities.atLeastLollipop;
+import static com.todoroo.andlib.utility.AndroidUtilities.atLeastMarshmallow;
 import static java.util.Arrays.asList;
 import static org.tasks.PermissionUtil.verifyPermissions;
 import static org.tasks.dialogs.ExportTasksDialog.newExportTasksDialog;
@@ -322,6 +323,8 @@ public class BasicPreferences extends InjectingPreferenceActivity
         R.string.p_language,
         R.string.p_layout_direction);
 
+    requires(R.string.task_list_options, atLeastMarshmallow(), R.string.p_show_subtasks);
+
     requires(BuildConfig.DEBUG, R.string.debug);
 
     //noinspection ConstantConditions
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 7f9e1cbf3..f67706696 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -22,9 +22,11 @@
 
   </PreferenceCategory>
 
-  <PreferenceCategory android:title="@string/task_list_options">
+  <PreferenceCategory
+    android:key="@string/task_list_options"
+    android:title="@string/task_list_options">
 
-    <com.todoroo.astrid.ui.MultilinePreference
+  <com.todoroo.astrid.ui.MultilinePreference
       android:key="@string/p_default_list"
       android:title="@string/default_list"/>